Page 1: abdominocentesis, abdominovesical, alphabetisation, Acanthisittidae, anesthesiologist, authoritative, antepenultimate, amelioration, acclimatization, archaebacteria, autosuggestion, Australopithecus, acclimatisation, aeronautical, Adiantaceae, abalienation, animalisation, authentication, academicianship, associationism, acquisitiveness, animalization, ammonification, Agaricaceae, actualization, alphabetization, archaeological, Alligatoridae, actualisation, adventuresomeness, Amaranthaceae, ailurophobia, autoluminescent, allegorization, aerification, antiquarianism, authorization, acetification, affectionateness, Araliaceae, automysophobia, acupunctuation, autoplagiarism, abarticulation, acidification, Acnidosporidia, antiferromagnetism, Aizoaceae, acquaintanceship, and appendicularia
Prefix: a-. List of words that begin like a / start with a.