giant timber bamboo vs ku-chiku

giant timber bamboo and ku-chiku both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant timber bamboo	Yes	No	No	No
ku-chiku	Yes	No	No	No

As nouns, giant timber bamboo and ku-chiku are synonyms defined as:

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

Other synonyms of giant timber bamboo include madake, Phyllostachys bambusoides.

giant timber bamboo (noun)	ku-chiku (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