snooty vs bigheaded

snooty and bigheaded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
snooty	No	Yes	No	No
bigheaded	No	Yes	No	No

As adjectives, snooty and bigheaded are synonyms defined as:

Other synonyms of snooty include persnickety, snot-nosed, snotty, stuck-up, too big for one's breeches, uppish.

snooty (adjective)	bigheaded (adjective)
(used colloquially) overly conceited or arrogant	(used colloquially) overly conceited or arrogant