bombastic vs declamatory

bombastic and declamatory both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bombastic	No	Yes	No	No
declamatory	No	Yes	No	No

As adjectives, bombastic and declamatory are synonyms defined as:

Other synonyms of bombastic include large, orotund, tumid, turgid.

bombastic (adjective)	declamatory (adjective)
ostentatiously lofty in style	ostentatiously lofty in style