osprey vs sea eagle

osprey and sea eagle both are nouns.

Word	Noun	Adjective	Verb	Adverb
osprey	Yes	No	No	No
sea eagle	Yes	No	No	No

As nouns, osprey and sea eagle are synonyms defined as:

osprey and sea eagle: large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years

Other synonyms of osprey include fish eagle, fish hawk, Pandion haliaetus.

osprey (noun)	sea eagle (noun)
large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years	any of various large eagles that usually feed on fish
	large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years