gray whale vs devilfish

gray whale and devilfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
gray whale	Yes	No	No	No
devilfish	Yes	No	No	No

As nouns, gray whale and devilfish are synonyms defined as:

gray whale and devilfish: medium-sized greyish-black whale of the northern Pacific

Other synonyms of gray whale include Eschrichtius gibbosus, Eschrichtius robustus, grey whale.

gray whale (noun)	devilfish (noun)
medium-sized greyish-black whale of the northern Pacific	extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
	bottom-living cephalopod having a soft oval body with eight long tentacles
	medium-sized greyish-black whale of the northern Pacific