degreaser vs cleanser

degreaser and cleanser both are nouns.

Word	Noun	Adjective	Verb	Adverb
degreaser	Yes	No	No	No
cleanser	Yes	No	No	No

As nouns, cleanser is a hypernym of degreaser; that is, cleanser is a word with a broader meaning than degreaser:

degreaser: a chemical substance that dissolves water-insoluble substances, such as greases and oils.
cleanser: a preparation used in cleaning something

Other hypernyms of degreaser include cleaner, cleansing agent.

degreaser (noun)	cleanser (noun)
a chemical substance that dissolves water-insoluble substances, such as greases and oils.	a preparation used in cleaning something