aniline oil vs aniline

aniline oil and aniline both are nouns.

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

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

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

Other synonyms of aniline oil include aminobenzine, phenylamine.

aniline oil (noun)	aniline (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