sea purse vs sea-purse

sea purse and sea-purse both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea purse	Yes	No	No	No
sea-purse	Yes	No	No	No

As nouns, sea purse and sea-purse are synonyms defined as:

sea purse and sea-purse: the seaward undercurrent created after waves have broken on the shore

Other synonyms of sea purse include sea-poose, sea-puss, sea puss, undertow.

sea purse (noun)	sea-purse (noun)
the seaward undercurrent created after waves have broken on the shore	the seaward undercurrent created after waves have broken on the shore