Dalbergia sissoo vs sissu

Dalbergia sissoo and sissu both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dalbergia sissoo	Yes	No	No	No
sissu	Yes	No	No	No

As nouns, Dalbergia sissoo and sissu are synonyms defined as:

Dalbergia sissoo and sissu: 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 Dalbergia sissoo include sisham, sissoo.

Dalbergia sissoo (noun)	sissu (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