groom vs scent

groom and scent both are nouns.

Word	Noun	Adjective	Verb	Adverb
groom	Yes	No	Yes	No
scent	Yes	No	Yes	No

As verbs, scent is a hyponym of groom; that is, scent is a word with a more specific, narrower meaning than groom:

groom (noun)	scent (noun)
a man who has recently been married	any property detected by the olfactory system
someone employed in a stable to take care of the horses	an odor left in passing by which a person or animal can be traced
a man participant in his own marriage ceremony	a distinctive odor that is pleasant

groom (verb)	scent (verb)
care for one's external appearance	apply perfume to
give a neat appearance to	catch the scent of; get wind of
educate for a future role or function	cause to smell or be smelly