Knaw vs. Gnaw

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Difference Between Knaw and Gnaw
Gnawverb
(ambitransitive) To bite something persistently, especially something tough.
The dog gnawed the bone until it broke in two.Gnawverb
(intransitive) To produce excessive anxiety or worry.
Her comment gnawed at me all day and I couldn't think about anything else.Gnawverb
To corrode; to fret away; to waste.
Gnawverb
bite or chew on with the teeth;
gnaw an old crackerchewed on a cookieGnawverb
become ground down or deteriorate;
Her confidence erodedADVERTISEMENT