sex vs pecker

sex and pecker both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
pecker	Yes	No	No	No

sex (noun)	pecker (noun)
activities associated with sexual intercourse	bird with strong claws and a stiff tail adapted for climbing and a hard chisel-like bill for boring into wood for insects
the properties that distinguish organisms on the basis of their reproductive roles	horny projecting mouth of a bird
all of the feelings resulting from the urge to gratify sexual impulses	obscene terms for penis
either of the two categories (male or female) into which most organisms are divided

sex (verb)	pecker (verb)
tell the sex (of young chickens)
to evoke sexual feelings