hammertoe vs toe

hammertoe and toe both are nouns.

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

As nouns, toe is a hypernym of hammertoe; that is, toe is a word with a broader meaning than hammertoe:

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

hammertoe (verb)	toe (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