ringlet vs ringlet butterfly

ringlet and ringlet butterfly both are nouns.

Word	Noun	Adjective	Verb	Adverb
ringlet	Yes	No	No	No
ringlet butterfly	Yes	No	No	No

As nouns, ringlet and ringlet butterfly are synonyms defined as:

ringlet and ringlet butterfly: any of various butterflies belonging to the family Satyridae

ringlet (noun)	ringlet butterfly (noun)
any of various butterflies belonging to the family Satyridae	any of various butterflies belonging to the family Satyridae
a little ring
lock of hair in the shape of a spiral or curl
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)