sideboob vs tit

sideboob and tit both are nouns.

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

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

sideboob: A breast exposed from the side
tit: either of two soft fleshy milk-secreting glandular organs on the chest of a woman

Other hypernyms of sideboob include boob, bosom, breast, knocker, titty.

sideboob (noun)	tit (noun)
A breast exposed from the side	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