12-letter words starting with A

Embark on a linguistic journey with words that begin with the letter A. This section showcases how A at the start shapes the identity and sound of various words. From commonly used terms to rare finds, explore the diverse range of words that start with A, enriching your vocabulary and appreciation for language.

  • announcement 16
  • accomplished 24
  • accidentally 20
  • architecture 19
  • acquaintance 25
  • appreciation 18
  • assassinated 13
  • anticipation 16
  • affectionate 20
  • agricultural 15
  • acknowledged 24
  • accompanying 24
  • astronomical 16
  • accelerating 17
  • annihilation 15
  • aggressively 20
  • authenticity 20
  • acceleration 16
  • anthropology 21
  • astrological 15
  • alphabetical 21
  • artificially 20
  • aristocratic 16
  • anticipating 17
  • archeologist 18
  • appreciative 21
  • asphyxiation 27
  • appendicitis 19
  • appreciating 19
  • apprehension 19
  • apprehensive 22
  • astonishment 17
  • advantageous 17
  • accumulating 19
  • accommodated 22
  • availability 20
  • aerodynamics 20
  • accumulation 18
  • additionally 17
  • authenticate 17
  • artistically 17
  • anaphylactic 24
  • asymmetrical 21
  • antagonistic 15
  • abbreviation 19
  • anatomically 19
  • aromatherapy 22
  • academically 22
  • amphitheater 22
  • astrophysics 22
  • assimilation 14
  • anaesthetics 17
  • appropriated 19
  • augmentation 15
  • approximated 26
  • appendectomy 24
  • articulation 14
  • adaptability 20
  • anesthetized 25
  • annunciation 14
  • antagonizing 23
  • amalgamation 17
  • alliteration 12
  • amphitheatre 22
  • anaesthetist 15
  • approachable 23
  • assimilating 15
  • ambidextrous 24
  • artilleryman 17
  • aeronautical 14
  • annihilating 16
  • antediluvian 16
  • afterthought 22
  • antiaircraft 17
  • attractively 20
  • alphabetized 29
  • absentminded 18
  • abolitionist 14
  • auspiciously 19
  • aforethought 22
  • accordionist 17
  • adjudication 23
  • analytically 20
  • alphanumeric 21
  • alimentation 14
  • amortization 23
  • anticlerical 16
  • acquiescence 27
  • avitaminosis 17
  • asynchronous 20
  • articulating 15
  • antithetical 17
  • aestheticism 19
  • administrate 15
  • atmospherics 21
  • asymptomatic 23
  • attributable 16
  • animatronics 16
  • anaesthetize 24
  • antipathetic 19
  • anticipatory 19
  • absoluteness 14
  • adulteration 13
  • agglutinated 15
  • agribusiness 15
  • accumulative 21
  • acclimatized 28
  • acoustically 19
  • autohypnosis 20
  • astoundingly 17
  • asphyxiating 28
  • assassinator 12
  • ankylosaurus 19
  • antagonising 14
  • alliterative 15
  • apperception 20
  • aggrandizing 25
  • accoutrement 18
  • accentuating 17
  • accentuation 16
  • axinomancies 23
  • axiomatising 22
  • axiomatizing 31
  • axisymmetric 28
  • axonometries 21
  • ayuntamiento 17
  • azathioprine 26
  • azoospermias 25
  • azotobacters 25
  • axerophthols 27
  • autonomously 17
  • autoplasties 14
  • autoptically 19
  • autorickshaw 24
  • autorotating 13
  • autorotation 12
  • autosuggests 14
  • autotomising 15
  • automorphism 21
  • automobility 19
  • autohypnotic 22
  • autoimmunity 19
  • automaticity 19
  • automatising 15
  • automatizing 24
  • automobiling 17
  • automobilism 18
  • automobilist 16
  • autotomizing 24
  • autotoxaemia 21
  • autotoxemias 21
  • averruncator 17
  • aversenesses 15
  • aversiveness 18
  • aviculturist 17
  • avitaminoses 17
  • avitaminotic 19
  • avowableness 20
  • averruncates 17
  • averruncated 18
  • autotrophies 17
  • autoxidation 20
  • auxanometers 21
  • auxotrophies 24
  • avariciously 20
  • avascularity 20
  • avengeresses 16
  • avuncularity 20
  • autohypnoses 20
  • assuagements 15
  • astigmatisms 17
  • astoundments 15
  • astragaluses 13
  • astraphobias 19
  • astrictively 20
  • astringences 15
  • asteroideans 13
  • asteriskless 16
  • assubjugated 23
  • assubjugates 22
  • assuefaction 17
  • assumability 19
  • assumptively 22
  • assurgencies 15
  • astacologies 15
  • astacologist 15
  • astringently 16
  • astrobiology 18
  • astrocompass 18
  • astronomises 14
  • astronomized 24
  • astronomizes 23
  • astrophobias 19
  • astrospheres 17
  • astrotourism 14
  • astrotourist 12
  • astronomised 15
  • astrocytomas 19
  • astrogeology 17
  • astrohatches 20
  • astrolatries 12
  • astrologists 13
  • astrometries 14
  • astronautics 14
  • astutenesses 12
  • assortedness 13
  • asepticizing 26
  • asphyxiators 27
  • aspirational 14
  • aspiringness 15
  • asportations 14
  • assafoetidas 16
  • aspheterizes 26
  • aspheterized 27
  • asexualities 19
  • asparaginase 15
  • aspergations 15
  • aspergillums 17
  • aspersoriums 16
  • aspheterised 18
  • aspheterises 17
  • aspheterisms 19
  • assassinates 12
  • assaultively 18
  • assibilation 14
  • assignations 13
  • assimilative 17
  • assimilators 14
  • assimilatory 17
  • associations 14
  • assibilating 15
  • asseverative 18
  • assemblagist 17
  • assemblances 18
  • assemblaunce 18
  • assentaneous 12
  • assentations 12
  • assessorship 17
  • asseverating 16
  • asseveration 15
  • assoilzieing 22
  • audiotypists 18
  • auscultatory 17
  • autecologies 15
  • authorcrafts 20
  • authorisable 17
  • authorizable 26
  • auscultators 14
  • auscultative 17
  • audiovisuals 16
  • auditorships 18
  • augmentative 18
  • augustnesses 13
  • auriculately 17
  • auscultating 15
  • auscultation 14
  • autistically 17
  • autoallogamy 18
  • autoantibody 18
  • autodidactic 18
  • autoeciously 17
  • autoerotisms 14
  • autoexposure 21
  • autogenously 16
  • autografting 17
  • autographies 18
  • autographing 19
  • autodestruct 15
  • autocritique 23
  • autocatalyse 17
  • autocatalyze 26
  • autocephalic 21
  • autochangers 18
  • autochthonal 20
  • autochthones 20
  • autochthonic 22
  • autocratical 16
  • autogravures 16
  • audiotypings 19
  • athleticisms 19
  • athrocytoses 20
  • athrocytosis 20
  • athwartships 23
  • atomisations 14
  • atomizations 23
  • attaintments 14
  • athletically 20
  • atheromatous 17
  • asymptotical 21
  • asynchronies 20
  • asynchronism 22
  • atheological 18
  • atheoretical 17
  • athermancies 19
  • attemperment 18
  • attendancies 15
  • attendements 15
  • attributions 14
  • attributives 17
  • auctioneered 15
  • audibilities 15
  • audiological 16
  • audiologists 14
  • audiometries 15
  • attractingly 18
  • attenuations 12
  • attestations 12
  • attitudinise 13
  • attitudinize 22
  • attorneydoms 18
  • attorneyisms 17
  • attorneyship 20
  • attractances 16
  • audiometrist 15
  • anelasticity 17
  • anesthetists 15
  • anesthetizes 24
  • aneuploidies 15
  • aneurismally 17
  • aneurismatic 16
  • aneurysmally 20
  • aneurysmatic 19
  • anesthetises 15
  • anesthetised 16
  • anemochorous 19
  • anemographic 22
  • anemometries 16
  • anemophilies 19
  • anemophilous 19
  • anemophobias 21
  • anencephalia 19
  • anencephalic 21
  • angelologies 14
  • angelologist 14
  • angiocarpous 17
  • anglophilias 18
  • anglophobiac 22
  • anglophobias 20
  • anguilliform 18
  • angularities 13
  • anilinctuses 14
  • animadverted 19
  • animadverter 18
  • anglomaniacs 17
  • anglerfishes 19
  • angiogeneses 14
  • angiogenesis 14
  • angiographic 21
  • angiosarcoma 17
  • angiospermal 17
  • angiostomous 15
  • angiotensins 13
  • angleberries 15
  • animalculism 18
  • anecdotalist 15
  • anaglyptical 20
  • anamorphosis 19
  • anapaestical 16
  • anaphrodisia 18
  • anaphylaxies 27
  • anaplasmoses 16
  • anaplasmosis 16
  • anaptyctical 21
  • anamorphoses 19
  • anamorphisms 21
  • anagogically 19
  • anagrammatic 19
  • analogically 18
  • analphabetes 19
  • analphabetic 21
  • analysations 15
  • analyzations 24
  • anarchically 22
  • anarthrously 18
  • anastigmatic 17
  • andouillette 13
  • androcentric 17
  • androclinium 17
  • androgeneses 14
  • androgenesis 14
  • androgenetic 16
  • andrologists 14
  • androsterone 13
  • anchorperson 19
  • anchorpeople 21
  • anastomosing 15
  • anastrozoles 21
  • anathematise 17
  • anathematize 26
  • ancestresses 14
  • anchoretical 19
  • anchoritical 19
  • anecdotalism 17
  • antependiums 17
  • anthologised 17
  • anthologiser 16
  • anthologises 16
  • anthologists 16
  • anthologized 26
  • anthologizer 25
  • anthologizes 25
  • anthomaniacs 19
  • anthological 18
  • anthocyanins 20
  • anteposition 14
  • anteprandial 15
  • anteversions 15
  • anthelmintic 19
  • antherozoids 25
  • antherozooid 25
  • anthocarpous 19
  • anthochlores 20
  • anthophilous 20
  • anthoxanthin 25
  • anthracnoses 17
  • antibacchius 21
  • antibacklash 23
  • antibarbarus 16
  • antiblackism 22
  • antiburglary 18
  • antibusiness 14
  • anticatalyst 17
  • anticathodes 18
  • antiaditises 13
  • anthranilate 15
  • anthropogeny 21
  • anthropogony 21
  • anthropoidal 18
  • anthropotomy 22
  • antiabortion 14
  • antiacademic 19
  • anticatholic 19
  • antemeridian 15
  • animalculist 16
  • annihilative 18
  • annihilators 15
  • annihilatory 18
  • annularities 12
  • annunciating 15
  • annexational 19
  • aniseikonias 16
  • anisodactyls 18
  • anisomorphic 21
  • anisotropies 14
  • anisotropism 16
  • annabergites 15
  • annunciative 17
  • annunciators 14
  • annunciatory 17
  • antalkalines 16
  • antarthritic 17
  • antasthmatic 19
  • antecedences 17
  • antecedently 18
  • antechambers 21
  • antediluvial 16
  • annuntiating 13
  • anodisations 13
  • anodizations 22
  • anorexigenic 22
  • anorthosites 15
  • anorthositic 17
  • anotherguess 16
  • answerphones 20
  • anaglyphical 23
  • allosauruses 12
  • alphabetizer 28
  • alphabetizes 28
  • alphamerical 21
  • alphasorting 18
  • alstroemeria 14
  • altaltissimo 14
  • alterability 17
  • alphabetises 19
  • allotropisms 16
  • allowability 20
  • allusiveness 15
  • allychollies 20
  • almightiness 18
  • alphabetised 20
  • alphabetiser 19
  • altercations 14
  • alternations 12
  • alternatives 15
  • amateurships 19
  • amazednesses 24
  • amazonstones 23
  • ambassadress 17
  • ambiophonies 21
  • ambitionless 16
  • ambivalences 21
  • amateurishly 20
  • amalgamators 17
  • altimetrical 16
  • altitudinous 13
  • alveolations 15
  • alveolitises 15
  • alycompaines 21
  • amalgamating 18
  • amalgamative 20

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