stud vs macho-man

stud and macho-man both are nouns.

Word	Noun	Adjective	Verb	Adverb
stud	Yes	No	Yes	No
macho-man	Yes	No	No	No

As nouns, stud and macho-man are synonyms defined as:

Other synonyms of stud include he-man.

stud (noun)	macho-man (noun)
poker in which each player receives hole cards and the remainder are dealt face up; bets are placed after each card is dealt	a man who is virile and sexually active
adult male horse kept for breeding
an upright in house framing
ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)
a man who is virile and sexually active

stud (verb)	macho-man (verb)
provide with or construct with studs
scatter or intersperse like dots or studs