Following are all the costumal like words, in the list below.
COSTUMIC
100% like costumal
SARTORIAL
100% like costumal
CULTURAL
99.99% like costumal
VESTIMENTARY
99.99% like costumal
VESTURAL
99.98% like costumal
THEATRICAL
99.98% like costumal
FESTIVOUS
99.98% like costumal
DECORATIONAL
99.97% like costumal
CORONATIONAL
99.97% like costumal
ACTORLY
99.96% like costumal
VESTIARIAN
99.96% like costumal
POP-CULTURAL
99.96% like costumal
CEREMONIAL
99.95% like costumal
BRIDAL
99.95% like costumal
CARNIVALISTIC
99.94% like costumal
FORMAL
99.94% like costumal
FESTIVAL
99.94% like costumal
SUBCULTURAL
99.93% like costumal
DORSETIAN
99.93% like costumal
DYNASTIC
99.92% like costumal
CELEBRATIONAL
99.92% like costumal
PRETENSIONAL
99.92% like costumal
GENDERED
99.91% like costumal
SUMPTUARY
99.91% like costumal
TABERNACULAR
99.9% like costumal
HOLLYWOODIAN
99.9% like costumal
CREOLE
99.9% like costumal
TROUSERIAN
99.89% like costumal
CONVENTIONAL
99.89% like costumal
CULTUROHISTORICAL
99.88% like costumal
MIXTURAL
99.88% like costumal
JUDAIC
99.88% like costumal
NUPTIAL
99.87% like costumal
DIASPORAL
99.87% like costumal
STYLISTIC
99.86% like costumal
PROCESSIONAL
99.86% like costumal
AUTUMNAL
99.86% like costumal
WOOLEN
99.85% like costumal
CONVENTUAL
99.85% like costumal
FOLKLORIC
99.84% like costumal
CULTURALISTIC
99.84% like costumal
SOCIETAL
99.84% like costumal
FANTASTICAL
99.83% like costumal
COURTLY
99.83% like costumal
PAROCHIAL
99.82% like costumal
JUDAISTIC
99.82% like costumal
BLUE-COLLAR
99.82% like costumal
CURIAL
99.81% like costumal
PARTICULAR
99.81% like costumal
PRINCESSY
99.8% like costumal
OCCUPATIONAL
99.8% like costumal
DIALECTAL
99.8% like costumal
SECULARISTIC
99.79% like costumal
SUFITIC
99.79% like costumal
MUSEAL
99.78% like costumal
OPERATIC
99.78% like costumal
PERUGIAN
99.78% like costumal
VOCATIONAL
99.77% like costumal
AUTUMN
99.77% like costumal
LUPERCAL
99.76% like costumal
GOTHIC
99.76% like costumal
MATRONAL
99.76% like costumal
WHITE
99.75% like costumal
TRIBALISTIC
99.75% like costumal
ETHNICKY
99.74% like costumal
CIMMERIAN
99.74% like costumal
ITALISH
99.74% like costumal
TRADITIONAL
99.73% like costumal
LUPERCALIAN
99.73% like costumal
WORKING-CLASS
99.72% like costumal
CYBERCULTURAL
99.72% like costumal
VERNAL
99.72% like costumal
TONAL
99.71% like costumal
OUTSIDE
99.71% like costumal
CENATORY
99.7% like costumal
MARITAL
99.7% like costumal
TOMBAL
99.7% like costumal
COUSINAL
99.69% like costumal
MATRIMONIAL
99.69% like costumal
ITALIAN
99.68% like costumal
THESPIAN
99.68% like costumal
DIONYSIAN
99.68% like costumal
PIRATICAL
99.67% like costumal
SCHOOLISH
99.67% like costumal
COVENANTAL
99.66% like costumal
REGAL
99.66% like costumal
HABITATIVE
99.66% like costumal
ARCHETYPAL
99.65% like costumal
ETIQUETTAL
99.65% like costumal
CASAL
99.64% like costumal
ANTIQUARIAN
99.64% like costumal
SMALL-TOWN
99.64% like costumal
PURITANICAL
99.63% like costumal
FEMININE
99.63% like costumal
KURDISTANI
99.62% like costumal
LENTEN
99.62% like costumal
JUDAICA
99.62% like costumal
NORMATIVE
99.61% like costumal
PERUSINIAN
99.61% like costumal
GHOSTLY
99.6% like costumal