horn poppy vs sea poppy

horn poppy and sea poppy both are nouns.

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

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

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

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

horn poppy (noun)	sea 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