vacuum bomb vs thermobaric bomb

vacuum bomb and thermobaric bomb both are nouns.

Word	Noun	Adjective	Verb	Adverb
vacuum bomb	Yes	No	No	No
thermobaric bomb	Yes	No	No	No

As nouns, vacuum bomb and thermobaric bomb are synonyms defined as:

Other synonyms of vacuum bomb include aerosol bomb, fuel-air bomb, volume-detonation bomb.

vacuum bomb (noun)	thermobaric bomb (noun)
a bomb that uses a fuel-air explosive	a bomb that uses a fuel-air explosive