sissoo vs sisham

sissoo and sisham both are nouns.

Word	Noun	Adjective	Verb	Adverb
sissoo	Yes	No	No	No
sisham	Yes	No	No	No

As nouns, sissoo and sisham are synonyms defined as:

sissoo and sisham: East Indian tree whose leaves are used for fodder; yields a compact dark brown durable timber used in shipbuilding and making railroad ties

Other synonyms of sissoo include Dalbergia sissoo, sissu.

sissoo (noun)	sisham (noun)
East Indian tree whose leaves are used for fodder; yields a compact dark brown durable timber used in shipbuilding and making railroad ties	East Indian tree whose leaves are used for fodder; yields a compact dark brown durable timber used in shipbuilding and making railroad ties