- abbreviation23
- abdication18
- aberration14
- abjuration24
- ablation13
- abnegation17
- abomination19
- abrogation16
- acceleration20
- accentuation21
- acceptation21
- acclamation22
- acclimation22
- acclimatization35
- accommodation27
- accreditation21
- acculturation23
- accumulation25
- accusation18
- accustomation24
- acetification23
- acetylation18
- acidification24
- acidulation18
- activation18
- actualization28
- actuation14
- acylation16
- adaptation15
- adjudication28
- adjuration22
- administration20
- admiration15
- adnation11
- adoration11
- adulation13
- adulteration16
- adumbration20
- advocation19
- aeration9
- aerosolization25
- aestivation16
- affectation21
- affiliation19
- affirmation21
- affixation24
- afforestation20
- agglomeration22
- agglutination21
- aggradation17
- aggravation20
- aggregation18
- agitation12
- agnation12
- alation9
- aldolization25
- alienation13
- alimentation18
- alkalinization31
- alkylation19
- allegation15
- allegorization28
- alleviation18
- alliteration15
- allocation16
- alphabetization34
- alteration12
- altercation16
- alternation14
- amalgamation22
- ambulation19
- amelioration17
- ammoniation19
- ammonification28
- amortization25
- amplification27
- amputation18
- anagrammatization36
- analyzation25
- anglicization30
- angulation16
- animalization28
- animation14
- annexation20
- annihilation18
- annotation13
- annulation15
- annunciation20
- anodization23
- anthropomorphization44
- antiadministration25
- antiassimilation22
- anticipation20
- anticonservation26
- antidefamation23
- antidesegregation24
- antidesertification28
- antidiscrimination28
- antimiscegenation28
- antiorganization30