lah vs solfa syllable

lah and solfa syllable both are nouns.

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

As nouns, solfa syllable is a hypernym of lah; that is, solfa syllable is a word with a broader meaning than lah:

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

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