aniline vs aniline oil

aniline and aniline oil both are nouns.

Word	Noun	Adjective	Verb	Adverb
aniline	Yes	No	No	No
aniline oil	Yes	No	No	No

As nouns, aniline and aniline oil are synonyms defined as:

aniline and aniline oil: oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines

Other synonyms of aniline include aminobenzine, phenylamine.

aniline (noun)	aniline oil (noun)
oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines	oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines