betel palm vs Areca catechu

betel palm and Areca catechu both are nouns.

Word	Noun	Adjective	Verb	Adverb
betel palm	Yes	No	No	No
Areca catechu	Yes	No	No	No

As nouns, betel palm and Areca catechu are synonyms defined as:

betel palm and Areca catechu: southeastern Asian palm bearing betel nuts (scarlet or orange single-seeded fruit with a fibrous husk)

Other synonyms of betel palm include Areca palm.

betel palm (noun)	Areca catechu (noun)
southeastern Asian palm bearing betel nuts (scarlet or orange single-seeded fruit with a fibrous husk)	southeastern Asian palm bearing betel nuts (scarlet or orange single-seeded fruit with a fibrous husk)