groom vs pedicure

groom and pedicure both are nouns.

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

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

groom (noun)	pedicure (noun)
a man who has recently been married	professional care for the feet and toenails
someone employed in a stable to take care of the horses
a man participant in his own marriage ceremony

groom (verb)	pedicure (verb)
care for one's external appearance	care for one's feet by cutting and shaping the nails, etc.
give a neat appearance to
educate for a future role or function