ardent vs fervid

ardent and fervid both are adjectives.

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

As adjectives, ardent and fervid are synonyms defined as:

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

ardent (adjective)	fervid (adjective)
glowing or shining like fire	(archaic) extremely hot, burning, or glowing
characterized by strong enthusiasm	characterized by intense emotion
characterized by intense emotion