pinnatiped vs pinniped

pinnatiped and pinniped both are nouns.

Word	Noun	Adjective	Verb	Adverb
pinnatiped	Yes	No	No	No
pinniped	Yes	No	No	No

As nouns, pinnatiped and pinniped are synonyms defined as:

pinnatiped and pinniped: aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers

Other synonyms of pinnatiped include pinniped mammal.

pinnatiped (noun)	pinniped (noun)
aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers	aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers