tit vs titty

tit and titty both are nouns.

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

As nouns, tit and titty are synonyms defined as:

tit and titty: either of two soft fleshy milk-secreting glandular organs on the chest of a woman

Other synonyms of tit include boob, bosom, breast, knocker.

tit (noun)	titty (noun)
small insectivorous birds	either of two soft fleshy milk-secreting glandular organs on the chest of a woman
either of two soft fleshy milk-secreting glandular organs on the chest of a woman
the small projection of a mammary gland