comment vs remark

comment and remark both are nouns.

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

As nouns, comment and remark are synonyms defined as:

comment and remark: a statement that expresses a personal opinion or belief or adds information

Other synonyms of comment include input.

As verbs, comment and remark are synonyms defined as:

Other synonyms of comment include notice, point out.

As verbs, remark is a hypernym of comment; that is, remark is a word with a broader meaning than comment:

Other hypernyms of comment include mention, note, observe.

comment (noun)	remark (noun)
a statement that expresses a personal opinion or belief or adds information	explicit notice
a written explanation or criticism or illustration that is added to a book or other textual material	a statement that expresses a personal opinion or belief or adds information
a report (often malicious) about the behavior of other people

comment (verb)	remark (verb)
make or write a comment on	make mention of
provide interlinear explanations for words or phrases	make or write a comment on
explain or interpret something