European sea eagle vs erne

European sea eagle and erne both are nouns.

Word	Noun	Adjective	Verb	Adverb
European sea eagle	Yes	No	No	No
erne	Yes	No	No	No

As nouns, European sea eagle and erne are synonyms defined as:

European sea eagle and erne: bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland

Other synonyms of European sea eagle include ern, gray sea eagle, grey sea eagle, Haliatus albicilla, white-tailed sea eagle.

European sea eagle (noun)	erne (noun)
bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland	bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland