boob tube vs telly

boob tube and telly both are nouns.

Word	Noun	Adjective	Verb	Adverb
boob tube	Yes	No	No	No
telly	Yes	No	No	No

As nouns, boob tube and telly are synonyms defined as:

boob tube and telly: an electronic device that receives television signals and displays them on a screen

Other synonyms of boob tube include goggle box, idiot box, television, television receiver, television set, tv, tv set.

boob tube (noun)	telly (noun)
an electronic device that receives television signals and displays them on a screen	an electronic device that receives television signals and displays them on a screen