naphthol vs phenol

naphthol and phenol both are nouns.

Word	Noun	Adjective	Verb	Adverb
naphthol	Yes	No	No	No
phenol	Yes	No	No	No

As nouns, phenol is a hypernym of naphthol; that is, phenol is a word with a broader meaning than naphthol:

naphthol: either of two phenols derived from naphthalene
phenol: any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups

naphthol (noun)	phenol (noun)
either of two phenols derived from naphthalene	any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
	a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally