catechu vs catechu

catechu and catechu both are nouns.

Word	Noun	Adjective	Verb	Adverb
catechu	Yes	No	No	No
catechu	Yes	No	No	No

catechu (noun)	catechu (noun)
East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu	East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally	extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally