bamboo vs madake

bamboo and madake both are nouns.

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

As nouns, madake is a hyponym of bamboo; that is, madake is a word with a more specific, narrower meaning than bamboo:

bamboo: woody tropical grass having hollow woody stems; mature canes used for construction and furniture
madake: large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere

bamboo (noun)	madake (noun)
woody tropical grass having hollow woody stems; mature canes used for construction and furniture	large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere
the hard woody stems of bamboo plants; used in construction and crafts and fishing poles