sea poppy vs horn poppy

sea poppy and horn poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea poppy	Yes	No	No	No
horn poppy	Yes	No	No	No

As nouns, sea poppy and horn poppy are synonyms defined as:

sea poppy and horn poppy: yellow-flowered Eurasian glaucous herb naturalized in along sandy shores in eastern North America

Other synonyms of sea poppy include Glaucium flavum, horned poppy, yellow horned poppy.

sea poppy (noun)	horn poppy (noun)
yellow-flowered Eurasian glaucous herb naturalized in along sandy shores in eastern North America	yellow-flowered Eurasian glaucous herb naturalized in along sandy shores in eastern North America