figure of speech vs smash hit

figure of speech and smash hit both are nouns.

Word	Noun	Adjective	Verb	Adverb
figure of speech	Yes	No	No	No
smash hit	Yes	No	No	No

figure of speech (noun)	smash hit (noun)
language used in a figurative or nonliteral sense	an unusually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel)