unscratchable

As a letter s

is the letter s with a.

As an adjective unscratchable is

not scratchable; impossible to scratch.

As a noun terms

is .

As an adjective unscratchable is

not scratchable; impossible to scratch.

As adjectives the difference between scratch and unscratchable

is that scratch is for or consisting of preliminary or tentative, incomplete, etc. work while unscratchable is not scratchable; impossible to scratch.

As a verb scratch

is to rub a surface with a sharp object, especially by a living creature to remove itching with nails, claws, etc.

As a noun scratch

is a disruption, mark or shallow cut on a surface made by scratching.

As adjectives the difference between scratchable and unscratchable

is that scratchable is capable of being scratched while unscratchable is not scratchable; impossible to scratch.