anil vs indigotin

anil and indigotin both are nouns.

Word	Noun	Adjective	Verb	Adverb
anil	Yes	No	No	No
indigotin	Yes	No	No	No

As nouns, anil and indigotin are synonyms defined as:

anil and indigotin: a blue dye obtained from plants or made synthetically

Other synonyms of anil include indigo.

anil (noun)	indigotin (noun)
shrub of West Indies and South America that is a source of indigo dye	a blue dye obtained from plants or made synthetically
a blue dye obtained from plants or made synthetically