solmisation vs solmization

solmisation and solmization both are nouns.

Word	Noun	Adjective	Verb	Adverb
solmisation	Yes	No	No	No
solmization	Yes	No	No	No

As nouns, solmisation and solmization are synonyms defined as:

solmisation and solmization: a system of naming the notes of a musical scale by syllables instead of letters

solmisation (noun)	solmization (noun)
a system of naming the notes of a musical scale by syllables instead of letters	singing using solfa syllables to denote the notes of the scale of C major
	a system of naming the notes of a musical scale by syllables instead of letters