tone vs note

tone and note both are nouns.

Word	Noun	Adjective	Verb	Adverb
tone	Yes	No	Yes	No
note	Yes	No	Yes	No

As nouns, note is a hyponym of tone; that is, note is a word with a more specific, narrower meaning than tone:

Other hyponyms of tone include rotundity, roundness, undertone.

As nouns, tone and note are synonyms defined as:

tone and note: a notation representing the pitch and duration of a musical sound

Other synonyms of tone include musical note.

tone (noun)	note (noun)
a quality of a given color that differs slightly from another color	a characteristic emotional quality
(music) the distinctive property of a complex sound (a voice or noise or musical sound)	a brief written record
(linguistics) a pitch or change in pitch of the voice that serves to distinguish words in tonal languages	a comment or instruction (usually added)
the quality of something (an act or a piece of writing) that reveals the attitudes and presuppositions of the author	a short personal letter
a steady sound without overtones	a notation representing the pitch and duration of a musical sound
a musical interval of two semitones	a tone of voice that shows what the speaker is feeling
the quality of a person's voice	a promise to pay a specified amount on demand or at a certain time
a notation representing the pitch and duration of a musical sound	a piece of paper money (especially one issued by a central bank)
the general atmosphere of a place or situation and the effect that it has on people	high status importance owing to marked superiority
the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli

tone (verb)	note (verb)
give a healthy elasticity to	make mention of
change to a color image	make a written note of
change the color or tone of	notice or perceive
utter monotonously and repetitively and rhythmically	observe with care or pay close attention to
vary the pitch of one's speech