groom vs coif

groom and coif both are nouns.

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

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

groom (noun)	coif (noun)
a man who has recently been married	a skullcap worn by nuns under a veil or by soldiers under a hood of mail or formerly by British sergeants-at-law
someone employed in a stable to take care of the horses	the arrangement of the hair (especially a woman's hair)
a man participant in his own marriage ceremony

groom (verb)	coif (verb)
care for one's external appearance	arrange attractively
give a neat appearance to	cover with a coif
educate for a future role or function