erne vs white-tailed sea eagle

erne and white-tailed sea eagle both are nouns.

Word	Noun	Adjective	Verb	Adverb
erne	Yes	No	No	No
white-tailed sea eagle	Yes	No	No	No

As nouns, erne and white-tailed sea eagle are synonyms defined as:

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

Other synonyms of erne include ern, European sea eagle, gray sea eagle, grey sea eagle, Haliatus albicilla.

erne (noun)	white-tailed sea eagle (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