betel palm vs Areca palm

betel palm and Areca palm both are nouns.

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

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

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

Other synonyms of betel palm include Areca catechu.

betel palm (noun)	Areca palm (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)