enthusiasm vs lyricism

enthusiasm and lyricism both are nouns.

Word	Noun	Adjective	Verb	Adverb
enthusiasm	Yes	No	No	No
lyricism	Yes	No	No	No

As nouns, lyricism is a hyponym of enthusiasm; that is, lyricism is a word with a more specific, narrower meaning than enthusiasm:

Other hyponyms of enthusiasm include madness, rabidity, rabidness.

enthusiasm (noun)	lyricism (noun)
overflowing with eager enjoyment or approval	the property of being suitable for singing
a lively interest	unrestrained and exaggerated enthusiasm
a feeling of excitement