paperclip vs paper clip

paperclip and paper clip both are nouns.

Word	Noun	Adjective	Verb	Adverb
paperclip	Yes	No	No	No
paper clip	Yes	No	No	No

As nouns, paperclip and paper clip are synonyms defined as:

paperclip and paper clip: a wire or plastic clip for holding sheets of paper together

Other synonyms of paperclip include gem clip.

paperclip (noun)	paper clip (noun)
a wire or plastic clip for holding sheets of paper together	a wire or plastic clip for holding sheets of paper together