thermobaric bomb vs vacuum bomb

thermobaric bomb and vacuum bomb both are nouns.

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

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

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

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