submediant vs musical note

submediant and musical note both are nouns.

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

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

submediant: (music) the sixth note of a major or minor scale (or the third below the tonic)
musical note: a notation representing the pitch and duration of a musical sound

Other hypernyms of submediant include note, tone.

submediant (noun)	musical note (noun)
(music) the sixth note of a major or minor scale (or the third below the tonic)	a notation representing the pitch and duration of a musical sound