fervent vs fiery

fervent and fiery both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fervent	No	Yes	No	No
fiery	No	Yes	No	No

As adjectives, fervent and fiery are synonyms defined as:

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

fervent (adjective)	fiery (adjective)
(archaic) extremely hot, burning, or glowing	like or suggestive of fire
characterized by intense emotion	passionate or quick-tempered
	characterized by intense emotion