solfa syllable vs la

solfa syllable and la both are nouns.

Word	Noun	Adjective	Verb	Adverb
solfa syllable	Yes	No	No	No
la	Yes	No	No	No

As nouns, la is a hyponym of solfa syllable; that is, la is a word with a more specific, narrower meaning than solfa syllable:

solfa syllable: one of the names for notes of a musical scale in solmization
la: the syllable naming the sixth (submediant) note of a major or minor scale in solmization

Other hyponyms of solfa syllable include do, doh, ut, ray, re, mi, fa, so, soh, sol, lah, si, te, ti.

solfa syllable (noun)	la (noun)
one of the names for notes of a musical scale in solmization	the syllable naming the sixth (submediant) note of a major or minor scale in solmization