butanol vs butyl alcohol

butanol and butyl alcohol both are nouns.

Word	Noun	Adjective	Verb	Adverb
butanol	Yes	No	No	No
butyl alcohol	Yes	No	No	No

As nouns, butanol and butyl alcohol are synonyms defined as:

butanol and butyl alcohol: a flammable alcohol derived from butanes and used for solvents

butanol (noun)	butyl alcohol (noun)
a flammable alcohol derived from butanes and used for solvents	a flammable alcohol derived from butanes and used for solvents