fish hawk vs Pandion haliaetus

fish hawk and Pandion haliaetus both are nouns.

Word	Noun	Adjective	Verb	Adverb
fish hawk	Yes	No	No	No
Pandion haliaetus	Yes	No	No	No

As nouns, fish hawk and Pandion haliaetus are synonyms defined as:

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

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

fish hawk (noun)	Pandion haliaetus (noun)
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