crackpot vs geek

crackpot and geek both are nouns.

Word	Noun	Adjective	Verb	Adverb
crackpot	Yes	No	No	No
geek	Yes	No	Yes	No

As nouns, geek is a hypernym of crackpot; that is, geek is a word with a broader meaning than crackpot:

Other hypernyms of crackpot include eccentric, eccentric person, flake, oddball.

crackpot (noun)	geek (noun)
a whimsically eccentric person	a person with an unusual or odd personality
	a carnival performer who does disgusting acts

crackpot (verb)	geek (verb)
	to be intoxicated