13 letter words starting with A

abbreviations, abdominoscopy, abnormalities, abolitionists, aboriginality, abortifacient, absorbability, abstentionism, abstentionist, abstractional, abstractively, accelerations, accelerograph, accelerometer, accendibility, acceptability, acceptilation, accessability, accessariness, accessibility, accessoriness, accidentalism, accidentality, acclimatation, acclimatement, acclimatizing, accombination, accommodately, accommodating, accommodation, accommodative, accommodators, accompaniment, accomplishers, accomplishing, accordionists, accouterments, accoutrements, accreditation, acculturation, acculturative, accumulations, accustomarily, acetabulifera, acetabuliform, acetaminophen, acetification, acetylcholine, achromaticity, achromatizing, achroodextrin, acidification, acidulousness, acknowledgers, acknowledging, acotyledonous, acquaintances, acquiescently, acquirability, acquisitively, acrimoniously, acrobatically, acroceraunian, actinomycosis, actinophorous, actionability, actualization, acupuncturist, adaptableness, addictiveness, adelantadillo, adenoidectomy, adenophyllous, adiabatically, adiaphoristic, adiathermancy, adipoceration, adipoceriform, adjudications, admensuration, administerial, administering, administrable, administrants, administrated, administrates, administrator, adminstration, admirableness, admissability, admissibility, admonishments, admortization, adumbratively, advantageable, adventuresome, adventuresses, adventurously, adversatively, advertisement, advertizement, aerodynamical, aerographical, aerolithology, aeromechanics, aesthetically, affectibility, affectionated, affectionless, affirmatively, afflictedness, afforestation, affreightment, afterthoughts, agglomerating, agglomeration, agglomerative, agglutinating, agglutination, agglutinative, aggrandizable, aggravatingly, aggregational, agonistically, agreeableness, agriculturism, agriculturist, agrostography, agrostologist, airworthiness, alacriousness, albuminimeter, alchemistical, alcoholically, alcoholometer, alcoholometry, alectoromachy, alectoromancy, alectryomancy, algebraically, alisphenoidal, allegorically, allergenicity, allhallowtide, alliterations, allotriophagy, allotropicity, allotypically, allowableness, alongshoreman, alphabetarian, alphabetizers, alphabetizing, alphanumerics, alterableness, alternateness, alternatingly, alternatively, aluminiferous, aluminography, amarantaceous, amaryllideous, ambassadorial, ambidexterity, ambiguousness, ambisexuality, ambitiousness, ambulacriform, ameliorations, americanizing, amicabilities, ammunitioning, amniocentesis, amorphousness, amphibologies, amphictyonies, amphidromical, amphiprostyle, amphisbaenoid, amphitheaters, amphitheatral, amphitheatric, amplification, amplificative, amplificatory, amygdalaceous, anachoretical, anachronistic, anaerobically, anaesthetized, anagrammatism, anagrammatist, anagrammatize, anallantoidea, analogousness, anaphrodisiac, anathematical, anathematized, anathematizer, anathematizes, anatomization, ancestorially, andropetalous, anemometrical, anemorphilous, anencephalous, anesthetizing, anfractuosity, angelicalness, angioneurosis, angiospermous, anglicization, anidiomatical, animadversion, animadversive, animadverting, animalization, anisometropia, anisopetalous, anisophyllous, annexationist, anniversaries, anniversarily, annotationist, announcements, annunciations, anomalistical, anomalousness, anomophyllous, anonymousness, anoplotherium, answerability, antambulacral, antaphroditic, antapoplectic, antecedaneous, antecommunion, antenniferous, antepenultima, antheriferous, antherogenous, anthobranchia, anthologizing, anthophyllite, anthracomancy, anthracometer, anthraquinone, anthropogenic, anthropolatry, anthropologic, anthropomancy, anthropometry, anthropopathy, anthropophagi, anthropophagy, anthroposcopy, anthroposophy, antiasthmatic, antiattrition, antibacterial, anticatarrhal, antichristian, antichronical, anticipations, anticlimactic, anticlinorium, anticoagulant, anticommunism, anticommunist, anticorrosive, antielectrons, antiephialtic, antiepileptic, antifertility, antigenically, antihistamine, antilibration, antilogarithm, antimacassars, antimicrobial, antimonarchic, antinarcotics, antinephritic, antineutrinos, antinomianism, antipacifists, antiparallels, antiparalytic, antiparticles, antipersonnel, antipollution, antiquateness, antiquitarian, antireligious, antiscorbutic, antisepticize, antisocialist, antispasmodic, antisplenetic, antistrumatic, antisubmarine, antivaccinist, antivariolous, anythingarian, apathetically, apetalousness, aphanipterous, apheliotropic, aphidophagous, aphilanthropy, aphrodisiacal, apocalyptical, apocrisiarius, apocryphalist, apodictically, apogeotropism, apophlegmatic, apoplectiform, apostolically, apostrophized, apostrophizes, apotelesmatic, apothegmatist, apothegmatize, appealability, appellatively, appendication, appendiculata, appendiculate, appertainment, applicability, applicatively, applicatorily, apportionment, appreciations, apprehensible, apprehensibly, apprehensions, apprenticeage, appropinquate, appropinquity, appropriament, appropriately, appropriating, appropriation, appropriative, appropriators, approximately, approximating, approximation, approximative, appurtenances, arachnologist, arbitrariness, arbitrational, arboriculture, archaeography, archaeolithic, archaeologian, archaeologist, archaeopteryx, archbishopric, archduchesses, archencephala, archeological, archiannelida, archiblastula, archidiaconal, archimandrite, archipelagoes, architectonic, architectress, architectural, architectures, archpresbyter, archtreasurer, argentiferous, argilliferous, argumentation, argumentative, aristocracies, aristocratism, arithmetician, aromatization, arterializing, arteriography, articulations, artificiality, artificialize, arundinaceous, ascertainable, ascertainment, ascriptitious, asperifoliate, asperifolious, assassinating, assassination, assemblywoman, assemblywomen, assertiveness, asseverations, assiduousness, assignability, associability, associateship, associational, associatively, associativity, assyriologist, asthmatically, astonishingly, astonishments, astrodynamics, astronautical, astrophysical, astrotheology, atheistically, atmospherical, atrabilarious, atrociousness, attainability, attemperament, attemperation, attentiveness, attitudinized, attitudinizer, attitudinizes, attributively, audaciousness, augmentations, aurantiaceous, aurichalceous, auriphrygiate, aurocephalous, auscultations, authentically, authenticated, authenticates, authenticator, authenticness, authochthonic, authoritarian, authoritative, authorization, autobiography, autocatalysis, autocephalous, autochthonism, autochthonous, autoeroticism, autographical, autohypnotism, autoimmunized, autoinfection, automatically, automobilists, autopneumatic, autostability, availableness, averruncation, axiomatically,


A = 1, B = 2, C = 3, D = 4, E = 5, F = 6, G = 7, H = 8, I = 9, J = 10, 
K = 11, L = 12, M = 13, N = 14, O = 15, P = 16, Q = 17, R = 18, S = 19, 
T = 20, U = 21, V = 22, W = 23, X = 24, Y = 25, Z = 26

acetabulifera =
anisometropia =
antepenultima =
anthobranchia =
appendiculata =
archencephala =
archiannelida =
archiblastula =