solfa syllable vs re

solfa syllable and re both are nouns.

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

As nouns, re is a hyponym of solfa syllable; that is, re 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
re: the syllable naming the second (supertonic) note of any major scale in solmization

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

solfa syllable (noun)	re (noun)
one of the names for notes of a musical scale in solmization	the syllable naming the second (supertonic) note of any major scale in solmization