ut vs solfa syllable

ut and solfa syllable both are nouns.

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

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

ut: the syllable naming the first (tonic) note of any major scale in solmization
solfa syllable: one of the names for notes of a musical scale in solmization

ut (noun)	solfa syllable (noun)
the syllable naming the first (tonic) note of any major scale in solmization	one of the names for notes of a musical scale in solmization