goggle box vs boob tube

goggle box and boob tube both are nouns.

Word	Noun	Adjective	Verb	Adverb
goggle box	Yes	No	No	No
boob tube	Yes	No	No	No

As nouns, goggle box and boob tube are synonyms defined as:

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

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

goggle box (noun)	boob tube (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