rhodomontade vs boasting

rhodomontade and boasting both are nouns.

Word	Noun	Adjective	Verb	Adverb
rhodomontade	Yes	No	No	No
boasting	Yes	No	No	No

As nouns, boasting is a hypernym of rhodomontade; that is, boasting is a word with a broader meaning than rhodomontade:

Other hypernyms of rhodomontade include boast, jactitation, self-praise.

rhodomontade (noun)	boasting (noun)
vain and empty boasting	speaking of yourself in superlatives