Gnash vs Gnast - What's the difference?

As verbs the difference between gnash and gnast

is that gnash is to grind (one's teeth) in pain or in anger while gnast is (ambitransitive) to gnash.

a spark; a dying spark; a dead spark, as of a snuffed candle.

(es)

To grind (one's teeth) in pain or in anger.

to gnash the teeth

To grind between the teeth.

to gnash the air in fury

to gnash a carpet

(Geordie) To run away

* gnasher/gnashers * gnashy

From (etyl) gnast, knast, from (etyl) .

(en noun)

A spark; a dying spark; a dead spark, as of a snuffed candle.

From (etyl) gnasten, gnaisten, from (etyl) .

(en verb)

(ambitransitive) To gnash.

* (l)