bush tit vs tit

bush tit and tit both are nouns.

Word	Noun	Adjective	Verb	Adverb
bush tit	Yes	No	No	No
tit	Yes	No	No	No

As nouns, tit is a hypernym of bush tit; that is, tit is a word with a broader meaning than bush tit:

Other hypernyms of bush tit include titmouse.

bush tit (noun)	tit (noun)
active grey titmice of western North America	small insectivorous birds
	either of two soft fleshy milk-secreting glandular organs on the chest of a woman
	the small projection of a mammary gland