clothespin vs clothes peg

clothespin and clothes peg both are nouns.

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

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

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

Other synonyms of clothespin include clothes pin.

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