peacock vs Inachis io

peacock and Inachis io both are nouns.

Word	Noun	Adjective	Verb	Adverb
peacock	Yes	No	No	No
Inachis io	Yes	No	No	No

As nouns, peacock and Inachis io are synonyms defined as:

peacock and Inachis io: European butterfly having reddish-brown wings each marked with a purple eyespot

Other synonyms of peacock include peacock butterfly.

peacock (noun)	Inachis io (noun)
male peafowl; having a crested head and very large fanlike tail marked with iridescent eyes or spots	European butterfly having reddish-brown wings each marked with a purple eyespot
European butterfly having reddish-brown wings each marked with a purple eyespot