British spelling vs solmisation

British spelling and solmisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
solmisation	Yes	No	No	No

British spelling (noun)	solmisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a system of naming the notes of a musical scale by syllables instead of letters