mediant vs musical note

mediant and musical note both are nouns.

Word	Noun	Adjective	Verb	Adverb
mediant	Yes	No	No	No
musical note	Yes	No	No	No

As nouns, musical note is a hypernym of mediant; that is, musical note is a word with a broader meaning than mediant:

mediant: (music) the third note of a diatonic scale; midway between the tonic and the dominant
musical note: a notation representing the pitch and duration of a musical sound

Other hypernyms of mediant include note, tone.

mediant (noun)	musical note (noun)
(music) the third note of a diatonic scale; midway between the tonic and the dominant	a notation representing the pitch and duration of a musical sound