witch vs warlock

witch and warlock both are nouns.

Word	Noun	Adjective	Verb	Adverb
witch	Yes	No	Yes	No
warlock	Yes	No	No	No

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

witch: a being (usually female) imagined to have special powers derived from the devil
warlock: a male witch or demon

Other hyponyms of witch include pythoness.

witch (noun)	warlock (noun)
a female sorcerer or magician	a male witch or demon
a being (usually female) imagined to have special powers derived from the devil
an ugly evil-looking old woman
a believer in Wicca

witch (verb)	warlock (verb)
cast a spell over someone or something; put a hex on someone or something