giant fern vs Angiopteris evecta

giant fern and Angiopteris evecta both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant fern	Yes	No	No	No
Angiopteris evecta	Yes	No	No	No

As nouns, giant fern and Angiopteris evecta are synonyms defined as:

giant fern and Angiopteris evecta: highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall

Other synonyms of giant fern include angiopteris.

giant fern (noun)	Angiopteris evecta (noun)
highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall	highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall