sewellel vs rodent

sewellel and rodent both are nouns.

Word	Noun	Adjective	Verb	Adverb
sewellel	Yes	No	No	No
rodent	Yes	No	No	No

As nouns, rodent is a hypernym of sewellel; that is, rodent is a word with a broader meaning than sewellel:

sewellel: bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent
rodent: relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

Other hypernyms of sewellel include gnawer.

sewellel (noun)	rodent (noun)
bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent	relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing