toe vs hammertoe

toe and hammertoe both are nouns.

Word	Noun	Adjective	Verb	Adverb
toe	Yes	No	Yes	No
hammertoe	Yes	No	No	No

As nouns, hammertoe is a hyponym of toe; that is, hammertoe is a word with a more specific, narrower meaning than toe:

Other hyponyms of toe include big toe, great toe, hallux, little toe.

toe (noun)	hammertoe (noun)
the part of footwear that provides a covering for the toes	a deformed toe which is bent in a clawlike arch
(golf) the part of a clubhead farthest from the shaft
one of the digits of the foot
forepart of a hoof

toe (verb)	hammertoe (verb)
touch with the toe
hit (a golf ball) with the toe of the club
drive obliquely
drive (a golf ball) with the toe of the club
walk so that the toes assume an indicated position or direction