malathion vs insect powder

malathion and insect powder both are nouns.

Word	Noun	Adjective	Verb	Adverb
malathion	Yes	No	No	No
insect powder	Yes	No	No	No

As nouns, insect powder is a hypernym of malathion; that is, insect powder is a word with a broader meaning than malathion:

malathion: a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
insect powder: a chemical used to kill insects

Other hypernyms of malathion include insecticide.

malathion (noun)	insect powder (noun)
a yellow insecticide used as a dust or spray to control garden pests and house flies and mites	a chemical used to kill insects