List of English Etymology and English Roots Online Dictionary: [A]

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There are 77 English roots starting with [A]. There are 211 words in the top 5,000 most frequently used English words. There are 762 words in total.

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Root		Meaning	Words(Top5,000)	Other words
academ (academ-)		academic, academy	academic ****[1493], academy **[3840]	academe, academia, academically
acer		bitter, sharp, sour	acid ***[2796], eager **[3484], eagerly ☆[5040], vinegar ☆[4809]	acer, acerbic, acidiferous, acidity, acidosis, acidulation, acidulous, acrid, acrimonious, acrimony, exacerbate, paracetamol, vinegarish, vinegarlike, vinegary
ache		ache, pain	ache ☆[5226], headache ***[2912]	aching
acre		acre	acre **[3732]
act		to go, drive, move	act ****[570], acting ☆[4872], action ****[439], active ****[1248], actively ***[2795], activity ****[402], actor ****[1159], actress ***[2535], actual ****[1197], actually ****[207], enact **[3964], essay ***[3261], exact ***[2623], exactly ****[451], inactive ☆[5353], interact **[3423], interaction ***[2149], react ****[1656], reaction ****[910], transaction ***[3097]	actability, actable, activate, activated, activation, activator, activeness, activism, activist, actuality, enactable, enaction, enactive, enactment, enactor, enactory, essayer, inaction, inactivate, inactivity, interactive, overact, overactive, reactional, reactionally, reactionary, reactive, transact, transactional, transactionally, transactor
acu (acu-)		sharp, pointed	cute ***[3003]	acerose, acu, acuity, aculeate, acumen, acuminate, acupressure, acupuncture, acute, acutely, acuteness, acutifoliate
add (add-)		add to, join, attach	add ****[369], addition ****[1732], additional ****[1693]	addable, addible, adding, additionally, additive
advant (advant, advan, abante)		advance	advance ****[1635], advanced ****[1923], advantage ****[913], disadvantage ***[2927]	advancement, advancer, advancingly, advantageous, advantageously, advantageousness, disadvantaged
aedi (aedi-, edi-)		building	edifice ☆[5331]	aedicule, edificial, facade/facade
aero		air, mist, atmosphere	aerial ☆[4746], aeroplane ☆[4821], air ****[353], aircraft ****[2039], airline ***[2603], airplane **[3660], airport ****[1972]	aeriality, aerially, aero, aerobatic, aerobic, aerobiology, aerodynamic, aerodynamics, aeronaut, aeronautics, aerorrhachia, aerosol, aerospace, aerotitis, airborne, airdrome, malaria, ministerial
aesthet		perceive	aesthetic **[3569]	esthetic
aev		age	age ****[278], aged **[3992], eternal **[4011], eternity ☆[4875], medieval **[3604], teenage ***[2473], teenager ****[1325]	aeon, aev, agedly, agedness, ageing, ageism, coetaneous, coeval, eon, eternality, eternally, eternalness, eternize, longevity, longevous, mediaeval, mediaevally, medievalize, medievally, primaeval, primaevally, primeval, primevally
after		after	after ****[105], afternoon ****[1869], afterwards ***[3114]	afterages, afterglow, aftergrass, aftermath, afterward
ag (ag-)		to lead, go, set in motion, drive	agency ****[970], agenda ****[1986], agent ****[1268], ambiguous ☆[5003], mitigate ☆[5096], navigate ☆[4595], navigation ☆[5454]	ag, agential, agile, agilely, agileness, agility, agitable, agitate, agitated, agitatedly, agitation, agitative, ambiguity, ambiguously, ambiguousness, chasteningly, circumnavigate, cogency, cogently, inactively, inactiveness, mitigable, mitigative, mitigator, mitigatory

agger		heap, heap up, accumulate	exaggerate **[3556]	exaggeratingly, exaggeration, exaggerative, exaggerator, exaggeratory
ago (ago, own)		again, own	again ****[119], against ****[246], ago ****[326], own ****[133], owner ****[962], ownership **[3786]
agog		guiding, leader, struggle, trial	agony ☆[4975], strategy ****[1136]	agogue, agon, agonist, agonistic, agonize, antagonism, antagonist, antagonistic, antagonize, demagogue, demagogy, emmenagogue, pedagogic, pedagogical, pedagogically, pedagogism, pedagogue, pedagoguism, pedagogy, pedant, pedantic, pedantically, protagonist, strategist, synagogal, synagogical, synagogue
agr (agr-, agro-)		field, country	agricultural **[3398], agriculture ***[2722]	agrarian, agrarianism, agrarianly, agrestic, agro, agrology, agro-tech, peregrine
aid		aid	aid ****[1784]	aide
alb (alb-)		dull white, white	album ***[3251]	albedo, albino, albumen
alcoh		alcohol	alcohol ****[1270], alcoholic ***[3196]	alcoholically, alcoholize
alert		alert	alert **[3517]
alien		alien	alibi ☆[5111], alien **[3409]	alienate
all		every, entire, fully	all ****[43], almost ****[341], already ****[394], also ****[72], although ****[344], altogether ***[2449], always ****[172], overall ****[1702]	allsort, alright
alley		alley	alley ☆[5055]
alli		combine, unite	alliance **[3753], ally ***[2783], rally ***[2642]	alliable
allo		other	allergy ☆[4554], parallel **[3673]	allegory, allo, allogenic, allograph, allophone, parallactic, parallax
alone (alone, lone)		alone	alone ****[704], loneliness ☆[4550], lonely ***[2238]	alonely, aloneness, lone, lonelihood, lonelily, loneness
alpha		alpha	alphabet **[3467]	alpha, alphabetic, alphabetically, analphabetic, panalphabetic, polyalphabetic

alt		high, deep	altar ☆[4623]	alt, altimeter, altitude, altitudoaltimeter, alto, altocumulus, contralto, exalt, exaltation, exaltedly, exaltedness, exalter
alter		the other, change	alter ***[3025], alternate ☆[5348], alternative ****[1685], alternatively **[4508]	alterability, alterable, alterably, alteration, alterative, alterer, altern, alternation, alternativeness
ambas		ambassador	ambassador **[4048]	embassy
amble		walk	ambulance **[4092]	amble, ambulatory, perambulate, preamble, rembling, somnambulism, somnambulist
ammon		ammonia	vitamin ***[2372]	amine, amino, ammonia
amor- (amor-, am-, amat-, amic-, -imic-)		friend, love, liking	amateur ☆[5470], amenity ☆[5349], enemy ****[1579]	amative, amatory, amatus, amiable, amicable, amity, amor, amoramateur, amorist, amorous, amour, enamoured, enmity, inimical, paramour
ampl		ample, abundant, bountiful, large	amplify ☆[5382]	ample, amplitude
an		one, an, a	a ****[8], an ****[23], another ****[122], any ****[112], anybody ****[1377], anymore ***[2130], anyone ****[548], anything ****[295], anytime ☆[5225], anyway ****[778], anywhere ****[1486]
anchor		anchor	anchor **[4353]
angel		angel, messenger	angel ***[2589]
anger		anger	anger ****[1658], angrily ☆[5464], angry ****[1033]
angle		angle, corner	angle ***[3044]	rectangle, triangle, triangled, triangular, triangulate
anim (anim-)		breath, life, soul, spirit	animal ****[361], animation ☆[5443]	anim, animate, animated, animatedly, anime, animism, animus, equanimity, inanimate, reanimate, unanimous
ankle		ankle	ankle ***[3252]
anni (anni-, ann-, enn-)		year, yearly	anniversary ***[2688], annual ****[1524], annually **[4021]	anni, biennial, biennially, centennial, ennial, millennial, millennialist, millennially, millennials, millennium, perennial

ant (ant-)		ant	ant **[3479]
ante		before, in front of, prior to	ancestor ***[2358], ancestral ☆[5018], ancient ****[1024], anticipate ***[2709]	ancestrally, ancestry, ante, antebellum, antecedent, antecedently, ante-cedet, antedate, antediluvian, antenatal, antepenult, anterior, anteroom, ante-room, ante-Victorian, antic, antiquarian, antiquate, antique, antiquity, rampart
anx (anx-)		choke, squeeze	anxiety ***[2128], anxious ***[2393]	anxiolytic, anxiously, anxiousness
ape		ape	ape ☆[4580]	apelike
apple		apple	apple ****[1495]
apt (apt-)		apt, fit, suited, proper	adapt ****[1688], adaptation ☆[4849], attitude ****[787]	adaptability, adaptable, adaptableness, adaptably, adaptational, adaptationally, adaptive, adept, apex, apt, aptitude, aptitudinal, aptitudinally, aptly, aptness, attitudinal, coaptation, contraption, inapt, inept, periapt
arbiter		judge, supreme ruler	arbitrary ☆[5059]	arbiter, arbitrage, arbitrarily, arbitrate, arbitration
arc (arc-, arch-)		arc, bow	arch ☆[5012]	arc, arched, archer, archeress, archerfish, archery
arcan (arcan-, arc-, erc-)		secret, chest, hidden, box, enclose	exercise ****[815]	arcane, arcanum, ark, coerce, coercer, coercible, coercion, coercionist, coercive, coercively, coerciveness
arch (arch, archi, archy)		lead, rule, beginning, …	anarchy ☆[5362], architect **[3938], architecture ***[3278], hierarchy **[3445]	anarchic, anarchical, anarchically, anarchism, anarchist, andrarchy, antarchy, arch-, archangel, archbishop, archbishopric, archetype, archipelagian, archipelagic, archipelago, architectonic, architectural, architecturally, archon, autarch, autarchism, autarchy, autarky, endarch, eparch, eparchy, exarch, gynarchy, hierarchical, hierarchically, hierarchism, matriarch, monarch, monarchal, monarchally, monarchial, monarchic, monarchical, monarchically, monarchism, monarchist, monarchy, navarch, octarchy, oligarchy, patriarch, patriarchy, plutarchy, polyarchy, synarchism, synarchy, tetrarchy, triarchy, trierarch
archaeo (archaeo-, archeo-, archi-, archae-, arche-)		rule, ancient, public	archaeology ☆[5289], archaic ☆[4768], archive **[4203]	Archaea, archaeo, archaeoastronomy, archaeological, archaeologically, archaeologist, archaism, archegonium, archeological, archeologically, archeologist, archeology, Archeozoic, archiplasm, archives
arct (arct-)		bear, North Pole	antarctic ☆[5045], arctic ☆[4577]	Antarctica, ArcticOcean, palearctic
area		area, level ground, open space	area ****[259]	are, centiare
arena		arena	arena **[3788]
argue (argue-)		make, known, clear, prove, declare, demonstrate	argue ****[844], argument ****[969]	arguer, argufy, argumentation, argumentative, argumentatively, argumentativeness

arm		arm, weapons; tools	alarm ***[2406], arm ***[2105], armed ***[3312], arms ***[2925], army ****[1357]
arrow		arrow	arrow **[4301]	arrowy
art		art, skill	art ****[424], artificial ***[2213], artisan ☆[4840], artist ****[782], artistic ***[2364], artistically **[4204], inert ☆[5053]	artefact, artful, artifact, artifice, artificiality, artificially, artisanal, artisanship, artistry
artic		joint, part	article ****[1220], articulate **[4332]	articulated
ask		ask	ask ****[91]	asker
ass		ass	ass ☆[5418]
assassin		assassin	assassination ☆[5060]	assassin, assassinate, assassinator
astro (astro-)		star, heavenly body, space, space travel	astronaut ☆[4548], astronomer **[3425], disaster ****[1516]	Acanthaster, aster, asterisk, asteroid, astral, astro, astrobiology, astrobleme, astrology, astrometry, astronomical, astronomically, astronomy, astrophysical, astrophysicist, astrophysics, astrophysicsist, diasterismgeaster, disastrous, disastrously, monaster
at		at	at ****[26]
athl (athl-)		athlete, contest	athlete ***[2182], athletic ☆[4751]	athl, athletically, athleticism, athletics, athlon, biathlon, triathlon
aud (aud-, audi-, audio-)		hear, sound, hearing, listening	audience ****[1057], audio ☆[5061]	aud, audibility, audible, audibleness, audibly, audient, audiobook, audiology, audiometer, audiovisual, audit, audition, auditor, auditorium, auditory, inaudible
aug (aug-, auct-)		increase, grow, enlarger	auction ***[3109], augment ☆[4730], august ***[3223], author ****[577], authority ****[901], authorize **[4472], autumn ***[3193]	aug, augend, augmentation, augur, augural, augurship, augury, authoritative, auxiliary, inaugural, inaugurate, inauguration, inaugurator, inauguratory
aunt		aunt	aunt ***[3264]	aunthood, auntlike, aunty
aura		aura, breeze, air	soar ***[3021]	aura
auto		self, same	authentic **[3434], auto **[4388], autobiography ☆[5202], autograph ☆[4763], automate ☆[4651], automatic ***[2617], automatically ***[2662], automation ☆[4628], automobile **[3462], autonomy **[4061]	autarch, autarchism, autarchy, autarky, authentically, authenticate, authentication, authenticator, authenticity, autism, autistic, autobiographer, autocracy, autocrat, autocratic, autodyne, automatable, automaticity, automatism, automatist, automatize, automaton, automatous

aver		damaged goods, fault, blemish, defect, flaw	average ****[755]
awe		awe	awful ***[2322], awfully **[4511]	awe, aweless, awesome, awesomely, awesomeness, awfulness, awless
awk		awk	awkward **[3447]	awk, awkwardness

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TERootList_A_v1.pdf

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