phenol vs dissolver

phenol and dissolver both are nouns.

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

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

phenol: a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
dissolver: a liquid substance capable of dissolving other substances

Other hypernyms of phenol include acid, dissolvent, dissolving agent, resolvent, solvent.

phenol (noun)	dissolver (noun)
any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups	a liquid substance capable of dissolving other substances
a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally