remark vs ploy

remark and ploy both are nouns.

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

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

remark: a statement that expresses a personal opinion or belief or adds information
ploy: an opening remark intended to secure an advantage for the speaker

remark (noun)	ploy (noun)
explicit notice	a maneuver in a game or conversation
a statement that expresses a personal opinion or belief or adds information	an opening remark intended to secure an advantage for the speaker

remark (verb)	ploy (verb)
make mention of
make or write a comment on