crest vs sexual practice

crest and sexual practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
crest	Yes	No	Yes	No
sexual practice	Yes	No	No	No

crest (noun)	sexual practice (noun)
a showy growth of e.g. feathers or skin on the head of a bird or other animal	activities associated with sexual intercourse
(heraldry) in medieval times, an emblem used to decorate a helmet
the center of a cambered road
the top line of a hill, mountain, or wave
the top or extreme point of something (usually a mountain or hill)

crest (verb)	sexual practice (verb)
reach a high point
lie at the top of