ku-chiku vs madake

ku-chiku and madake both are nouns.

Word	Noun	Adjective	Verb	Adverb
ku-chiku	Yes	No	No	No
madake	Yes	No	No	No

As nouns, ku-chiku and madake are synonyms defined as:

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

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

ku-chiku (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