rattan vs ratan

rattan and ratan both are nouns.

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

As nouns, rattan and ratan are synonyms defined as:

rattan (noun)	ratan (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