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Words starting with A, then T, then I, then O, ending in N

237 words fit this spine. They're all listed below. They start with A, end with N, and contain T then I then O in that order in between — not necessarily side by side.

Near misses
  • aardvark doesn't fit: it starts with A but ends with K, not N.
  • abandon doesn't fit: it has the right ends but no T in the middle.

6-letter words

action

7-letter words

actinon, alation, amotion, antlion, auction

8-letter words

ablation, ablution, abortion, abutilon, adaption, addition, adnation, adoption, aeration, agnation, ambition, antiphon, antiporn, audition, aviation

9-letter words

abduction, abjection, abolition, abruption, accretion, actuation, acylation, addiction, adduction, adoration, adulation, advection, affection, agitation, animation, anthelion, anthemion, anticodon, antitoxin, antiunion, antiwoman, apportion, assertion, attention, attrition, avocation

10-letter words

abdication, aberration, abjuration, abnegation, abreaction, abrogation, absolution, absorption, abstention, accusation, activation, adaptation, adjunction, adjuration, admiration, admonition, adsorption, advocation, affixation, affliction, alienation, alkylation, allegation, allocation, allocution, alteration, ambulation, ammunition, amputation, angulation, annexation, annotation, annulation, antibaryon, antilepton, antimodern, antinomian, antipodean, antiproton, apparition, apposition, arrogation, ascription, aspiration, assumption, attraction, automation

11-letter words

abomination, abstraction, acceptation, acclamation, acclimation, acetylation, acidulation, acquisition, actinomycin, adumbration, aestivation, affectation, affiliation, affirmation, aggradation, aggravation, aggregation, alleviation, altercation, alternation, ammoniation, analyzation, anodization, antifashion, antiforeign, antineutron, antinucleon, antiquation, appellation, application, approbation, arbitration, assentation, assignation, association, atomization, attenuation, attestation, attribution

12-letter words

abbreviation, acceleration, accentuation, accumulation, adjudication, adulteration, agglutinogen, aldolization, alimentation, alliteration, amalgamation, amelioration, amortization, annihilation, annunciation, antiabortion, anticipation, antidilution, antielectron, antiestrogen, antifriction, antiglobulin, antireligion, antithrombin, apperception, appreciation, arborization, articulation, asphyxiation, asseveration, assimilation, augmentation, auscultation, autorotation, autoxidation

13-letter words

accommodation, accreditation, acculturation, accustomation, acetaminophen, acetification, acidification, actualization, afforestation, agglomeration, agglutination, amplification, anglicization, animalization, anticollision, anticorrosion, antievolution, antipollution, antirecession, antirejection, appropriation, approximation, arabicization, argumentation, aromatization, assassination, authorization, autoinfection

14-letter words

administration, aerosolization, alkalinization, allegorization, ammonification, antiaggression, anticarcinogen, anticorruption, antidefamation, antidepression, antireflection, antisubversion, authentication, automatization, autosuggestion, axiomatisation, axiomatization

15-letter words

acclimatization, alphabetization, antisegregation, antispeculation, antivivisection, autocorrelation, autotransfusion

16-letter words

antiassimilation, anticonservation, antiorganization, antiprostitution, antitotalitarian, autoimmunization, autointoxication

17-letter words

anagrammatization, antiauthoritarian, antidesegregation, antimiscegenation

18-letter words

antiadministration, antidiscrimination

19-letter words

adrenocorticotropin, antidesertification

20-letter words

adrenocorticotrophin, anthropomorphization

Where this pattern came from

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Every word above follows this rule — see if you can find them under a clock.

How the rule works

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