gnash

As a verb gnash

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

As a noun snash is

verbal abuse, guff.

In transitive terms the difference between gnash and gnasp

is that gnash is to grind between the teeth while gnasp is to snatch at with the teeth.

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.

As a noun gnast is

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

As a verb gnash

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

As a proper noun Nash is

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As an adjective nash is

firm; stiff; hard.

As verbs the difference between gnash and gnasht

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

As verbs the difference between gnash and gash

is that gnash is to grind (one's teeth) in pain or in anger while gash is to make a deep, long cut, to slash.

As a noun gash is

a deep cut.

In transitive terms the difference between gnash and gnaw

is that gnash is to grind between the teeth while gnaw is to bite something persistently, especially something tough.

As a verb gnash

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

As an adverb gnashingly is

while, or as if, gnashing.