dummy vs boob

dummy and boob both are nouns.

Word	Noun	Adjective	Verb	Adverb
dummy	Yes	Yes	Yes	No
boob	Yes	No	Yes	No

As nouns, dummy and boob are synonyms defined as:

Other synonyms of dummy include booby, dope, dumbbell, pinhead.

dummy (noun)	boob (noun)
a figure representing the human form	either of two soft fleshy milk-secreting glandular organs on the chest of a woman
a cartridge containing an explosive charge but no bullet	an ignorant or foolish person
an ignorant or foolish person
a person who does not talk

dummy (adjective)	boob (adjective)
having the appearance of being real but lacking capacity to function

dummy (verb)	boob (verb)
make a dummy of	commit a faux pas or a fault or make a serious mistake