hooded seal vs bladdernose

hooded seal and bladdernose both are nouns.

Word	Noun	Adjective	Verb	Adverb
hooded seal	Yes	No	No	No
bladdernose	Yes	No	No	No

As nouns, hooded seal and bladdernose are synonyms defined as:

hooded seal and bladdernose: medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters

Other synonyms of hooded seal include Cystophora cristata.

hooded seal (noun)	bladdernose (noun)
medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters	medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters