Areca palm vs betel palm

Areca palm and betel palm both are nouns.

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

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

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

Other synonyms of Areca palm include Areca catechu.

Areca palm (noun)	betel 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)