bamboo vs bamboo

bamboo and bamboo both are nouns.

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

bamboo (noun)	bamboo (noun)
woody tropical grass having hollow woody stems; mature canes used for construction and furniture	woody tropical grass having hollow woody stems; mature canes used for construction and furniture
the hard woody stems of bamboo plants; used in construction and crafts and fishing poles	the hard woody stems of bamboo plants; used in construction and crafts and fishing poles