clothes pin vs clothespin

clothes pin and clothespin both are nouns.

Word	Noun	Adjective	Verb	Adverb
clothes pin	Yes	No	No	No
clothespin	Yes	No	No	No

As nouns, clothes pin and clothespin are synonyms defined as:

clothes pin and clothespin: wood or plastic fastener; for holding clothes on a clothesline

Other synonyms of clothes pin include clothes peg.

clothes pin (noun)	clothespin (noun)
wood or plastic fastener; for holding clothes on a clothesline	wood or plastic fastener; for holding clothes on a clothesline