Orchis spectabilis vs purple-hooded orchis

Orchis spectabilis and purple-hooded orchis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orchis spectabilis	Yes	No	No	No
purple-hooded orchis	Yes	No	No	No

As nouns, Orchis spectabilis and purple-hooded orchis are synonyms defined as:

Orchis spectabilis and purple-hooded orchis: North American orchid having a spike of violet-purple flowers mixed with white; sepals and petals form a hood

Other synonyms of Orchis spectabilis include purple orchis, showy orchis.

Orchis spectabilis (noun)	purple-hooded orchis (noun)
North American orchid having a spike of violet-purple flowers mixed with white; sepals and petals form a hood	North American orchid having a spike of violet-purple flowers mixed with white; sepals and petals form a hood