15-Letter Words With "O"

4224 words that are 15 letters long contain "O". The highest-scoring entry on this list is "quizzifications" at 47 points.

trinitrophenols₂₀
trinitrotoluene₁₅
trinitrotoluols₁₅
tripersonalisms₁₉
tripersonalists₁₇
trisoctahedrons₂₁
trivialisations₁₈
trivializations₂₇
tropicalisation₁₉
tropicalization₂₈
troubleshooters₂₀
troubleshooting₂₁
troublesomeness₁₉
troublousnesses₁₇
trustworthiness₂₁
trypanosomiases₂₂
trypanosomiasis₂₂
tuberculisation₁₉
tuberculization₂₈
tumorgenicities₂₀
turbogenerators₁₈
typographically₃₁
tyrannosauruses₁₈
tyrannousnesses₁₈
ubiquitinations₂₆
ultimogenitures₁₈
ultracommercial₂₃
ultraconvenient₂₀
ultrademocratic₂₂
ultrafastidious₁₉
ultrafiltration₁₈
ultramarathoner₂₀
ultramicrometer₂₁
ultramicroscope₂₃
ultramicroscopy₂₆
ultramicrotomes₂₁
ultramodernisms₂₀
ultramodernists₁₈
ultramontanisms₁₉
ultramontanists₁₇
ultraprecisions₁₉
ultrasonography₂₄
unaccommodating₂₅
unanimousnesses₁₇
unapostolically₂₂
unappreciations₂₁
unauthoritative₂₁
unavoidableness₂₁
unboundednesses₁₉
uncanonicalness₁₉
uncategorisable₂₀
uncategorizable₂₉
unceremoniously₂₂
unchoreographed₂₇
unchronological₂₃
uncircumcisions₂₃
uncloudednesses₁₉
uncommunicative₂₆
uncompanionable₂₃
uncompassionate₂₁
uncomplainingly₂₅
uncomplaisantly₂₄
uncomplimentary₂₆
uncomprehending₂₆
uncomprehensive₂₇
uncompromisable₂₅
unconcernedness₂₀
unconditionally₂₁
unconnectedness₂₀
unconscientious₁₉
unconsciousness₁₉
unconsentaneous₁₇
unconstrainable₁₉
unconstrainedly₂₁
uncontroversial₂₀
uncooperatively₂₅
uncopyrightable₂₈
uncourtlinesses₁₇
undemonstrative₂₁
underdeveloping₂₃
underemployment₂₅
underestimation₁₈
underinflations₁₉
undernourishing₂₀
undernutritions₁₆
underperforming₂₄
underproduction₂₁
undervaluations₁₉
undetermination₁₈
undisappointing₂₁
undomesticating₂₁
unemployability₂₇
unequivocalness₂₉
unexceptionable₂₈
unexceptionably₃₁
unexceptionally₂₉
unextraordinary₂₆
unfavorableness₂₃
unforgivenesses₂₂
unforgivingness₂₃
unfortunateness₁₈
unfossiliferous₂₁
unfoundednesses₂₀
unidiomatically₂₃
uniformitarians₂₀
uninformatively₂₆
unintentionally₁₈
unknowabilities₂₄
unknowingnesses₂₃
unknowledgeable₂₆
unmelodiousness₁₈
unobjectionable₂₈
unobjectionably₃₁
unobtrusiveness₂₀
unoriginalities₁₆
unpatriotically₂₂
unphilosophical₂₇
unpremeditation₂₀
unprepossessing₂₀
unpretentiously₂₀
unprofessionals₂₀
unprofitability₂₅
unprogressively₂₄
unpronounceable₂₁
unproportionate₁₉
unprotectedness₂₀
unprotestantise₁₇
unprotestantize₂₆
unquestioningly₂₈
unrecommendable₂₄
unreconciliable₂₁
unreconstructed₂₀
unrevolutionary₂₁
unrighteousness₁₉
unsatisfactions₂₀
unsavourinesses₁₈
unseaworthiness₂₁
unselfconscious₂₂
unseriousnesses₁₅
unsociabilities₁₉
unsophisticated₂₃
unsportsmanlike₂₃
unspottednesses₁₈
untraditionally₁₉
untrustworthily₂₄
unwelcomenesses₂₂
unwholesomeness₂₃
unwomanlinesses₂₀
unworkabilities₂₄
unworldlinesses₁₉
uterogestations₁₆
vapourabilities₂₂
vapourishnesses₂₃
vascularisation₂₀
vascularization₂₉
vasoconstrictor₂₂
vasodilatations₁₉
ventriloquially₃₀
ventriloquising₂₈
ventriloquistic₂₉
ventriloquizing₃₇
venturesomeness₂₀
venturousnesses₁₈
veraciousnesses₂₀
verminousnesses₂₀
verticillations₂₀
vertiginousness₁₉
vespertilionids₂₁
vespertilionine₂₀
vexatiousnesses₂₅
vibroflotations₂₃
vicariousnesses₂₀
vicissitudinous₂₁
videoconference₂₆
videotelephones₂₄
violinistically₂₃
viscoelasticity₂₅
viscosimetrical₂₄
visionarinesses₁₈
vitilitigations₁₉
vitriolisations₁₈
vitriolizations₂₇
vivaciousnesses₂₃
vivisectionally₂₆
vivisectionists₂₃
voicelessnesses₂₀
volatilisations₁₈
volatilizations₂₇
voluntarinesses₁₈
voraciousnesses₂₀
voyeuristically₂₆
watercolourists₂₀
wearisomenesses₂₀
weatherboarding₂₅
weatherisations₂₁
weatherizations₃₀
weatherproofing₂₇
westernisations₁₈
westernizations₂₇
whistleblowings₂₇