aniline oil vs phenylamine

aniline oil and phenylamine both are nouns.

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

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

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

Other synonyms of aniline oil include aminobenzine, aniline.

aniline oil (noun)	phenylamine (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