note vs comment

note and comment both are nouns.

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

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

note: a comment or instruction (usually added)
comment: a written explanation or criticism or illustration that is added to a book or other textual material

Other hypernyms of note include commentary.

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

Other hyponyms of note include notice, point out, remark.

note (noun)	comment (noun)
a characteristic emotional quality	a statement that expresses a personal opinion or belief or adds information
a brief written record	a written explanation or criticism or illustration that is added to a book or other textual material
a comment or instruction (usually added)	a report (often malicious) about the behavior of other people
a short personal letter
a notation representing the pitch and duration of a musical sound
a tone of voice that shows what the speaker is feeling
a promise to pay a specified amount on demand or at a certain time
a piece of paper money (especially one issued by a central bank)
high status importance owing to marked superiority

note (verb)	comment (verb)
make mention of	make or write a comment on
make a written note of	provide interlinear explanations for words or phrases
notice or perceive	explain or interpret something
observe with care or pay close attention to