tit vs oscine bird

tit and oscine bird both are nouns.

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

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

Other hypernyms of tit include oscine.

tit (noun)	oscine bird (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