roughen

As verbs the difference between roughed and roughen

is that roughed is past tense of rough while roughen is to make rough.

In transitive terms the difference between roughen and toughen

is that roughen is to make rough while toughen is to make tough.

In intransitive terms the difference between roughen and toughen

is that roughen is to become rough while toughen is to become tough.

As a verb roughen

is to make rough.

As an adjective rougher is

(rough).

As verbs the difference between roughen and crizzle

is that roughen is to make rough while crizzle is to roughen on the surface.

As a noun crizzle is

a roughened surface, especially one on glass that clouds its transparency.