common maidenhair vs Adiantum capillus-veneris

common maidenhair and Adiantum capillus-veneris both are nouns.

Word	Noun	Adjective	Verb	Adverb
common maidenhair	Yes	No	No	No
Adiantum capillus-veneris	Yes	No	No	No

As nouns, common maidenhair and Adiantum capillus-veneris are synonyms defined as:

common maidenhair and Adiantum capillus-veneris: delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan

Other synonyms of common maidenhair include southern maidenhair, Venus'-hair fern, Venus maidenhair, Venushair.

common maidenhair (noun)	Adiantum capillus-veneris (noun)
delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan	delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan