giant timber bamboo vs madake

giant timber bamboo and madake both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant timber bamboo	Yes	No	No	No
madake	Yes	No	No	No

As nouns, giant timber bamboo and madake are synonyms defined as:

giant timber bamboo and madake: large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere

Other synonyms of giant timber bamboo include ku-chiku, Phyllostachys bambusoides.

giant timber bamboo (noun)	madake (noun)
large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere	large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere