ratan vs rattan

ratan and rattan both are nouns.

Word	Noun	Adjective	Verb	Adverb
ratan	Yes	No	No	No
rattan	Yes	No	No	No

As nouns, ratan and rattan are synonyms defined as:

ratan (noun)	rattan (noun)
a switch made from the stems of the rattan palms	a switch made from the stems of the rattan palms
	climbing palm of Sri Lanka and southern India remarkable for the great length of the stems which are used for malacca canes
	the stem of various climbing palms of the genus Calamus and related genera used to make wickerwork and furniture and canes