sea eagle vs fish eagle

sea eagle and fish eagle both are nouns.

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

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

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

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

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