chittam bark vs chittem bark

chittam bark and chittem bark both are nouns.

Word	Noun	Adjective	Verb	Adverb
chittam bark	Yes	No	No	No
chittem bark	Yes	No	No	No

As nouns, chittam bark and chittem bark are synonyms defined as:

chittam bark and chittem bark: dried bark of the cascara buckthorn used as a laxative

Other synonyms of chittam bark include cascara, cascara sagrada.

chittam bark (noun)	chittem bark (noun)
dried bark of the cascara buckthorn used as a laxative	dried bark of the cascara buckthorn used as a laxative