15-letter words containing A

abstentiousness acclimatization accountableness acquisitiveness adventurousness agriculturalist anesthesiologic antenarratology antepenultimate anthropological anthropomorphic anticannibalism anticonsumption antievangelical antinationalism antisynchronous approachability archangelically atheisticalness biopsychosocial blameworthiness blockheadedness brokenheartedly bronchodilatory Charlottesville chennapattanamu chronologically cinematographer circumferential clandestineness collaboratively complicatedness computerization conceptualistic confidentiality confrontational congratulations conservationist considerateness consumerization contemplational contemporaneous conventionalism conventionality conversationist cosmopolitanism craftswomanship crestfallenness cyclohexatriene czechoslovakian decontamination democratisation democratization differentiation diphenhydramine discombobulated discommendation discontinuation disenfranchised disorganization dissatisfaction distinguishable diversification downheartedness efficaciousness electromagnetic entrepreneurial environmentally etherealization everlastingness excommunication experimentation extemporization extracurricular extraordinarily flabbergastment gentlemanliness heterobiography heterosexuality hispanicization historiographer hospitalization impenetrability inaccessibility inapprehensible inappropriately inconsequential inconsiderately inconsideration indemnification individualistic instantaneously instrumentalist instrumentality instrumentation insubordination intellectualism intellectualize intensification intercessionary