Is butterfly's a noun

Answer 1

Yes, butterfly's is a singular, common, concrete, compound, possessive noun; a word for a thing.

The apostrophe 's' added to the noun indicates that something belongs to the butterfly, such a the butterfly's wing or the butterfly's flight.

Answer 2

Yes, the word butterfly is a noun, a singular, common, concrete, compound noun; a word for an insect, a word for a thing.