gnaw vs seize with teeth

gnaw and seize with teeth both are verbs.

Word	Noun	Adjective	Verb	Adverb
gnaw	No	No	Yes	No
seize with teeth	No	No	Yes	No

As verbs, seize with teeth is a hypernym of gnaw; that is, seize with teeth is a word with a broader meaning than gnaw:

gnaw: bite or chew on with the teeth
seize with teeth: to grip, cut off, or tear with or as if with the teeth or jaws

Other hypernyms of gnaw include chew, jaw, manducate, masticate, bite.

gnaw (verb)	seize with teeth (verb)
become ground down or deteriorate	to grip, cut off, or tear with or as if with the teeth or jaws
bite or chew on with the teeth