amphibian vs lateral line

amphibian and lateral line both are nouns.

Word	Noun	Adjective	Verb	Adverb
amphibian	Yes	Yes	No	No
lateral line	Yes	No	No	No

amphibian (noun)	lateral line (noun)
cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form	sense organs of fish and amphibians; believed to detect pressure changes in the water
an airplane designed to take off and land on water
a flat-bottomed motor vehicle that can travel on land or water

amphibian (adjective)	lateral line (adjective)
relating to or characteristic of animals of the class Amphibia