tit vs oscine

tit and oscine both are nouns.

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

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

Other hypernyms of tit include oscine bird.

tit (noun)	oscine (noun)
small insectivorous birds	passerine bird having specialized vocal apparatus
either of two soft fleshy milk-secreting glandular organs on the chest of a woman
the small projection of a mammary gland

tit (adjective)	oscine (adjective)
	of or relating to the songbirds