ardent vs perfervid

ardent and perfervid both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ardent	No	Yes	No	No
perfervid	No	Yes	No	No

As adjectives, ardent and perfervid are synonyms defined as:

Other synonyms of ardent include fervent, fervid, fiery, impassioned, torrid.

ardent (adjective)	perfervid (adjective)
glowing or shining like fire	characterized by intense emotion
characterized by strong enthusiasm
characterized by intense emotion