sea squab vs pufferfish

sea squab and pufferfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea squab	Yes	No	No	No
pufferfish	Yes	No	No	No

As nouns, sea squab and pufferfish are synonyms defined as:

sea squab and pufferfish: delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver

Other synonyms of sea squab include blowfish, puffer.

sea squab (noun)	pufferfish (noun)
delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver	any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers
	delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver