supersonically

As a noun terms

is .

As an adverb supersonically is

faster than sounder, at a supersonic speed.

As an adjective supersonic

is (of a speed) greater than the speed of sound (in the same medium, and at the same temperature and pressure).

As an adverb supersonically is

faster than sounder, at a supersonic speed.

As an adjective sounder

is (sound).

As a noun sounder

is something, or someone who makes a sound.

As an adverb supersonically is

faster than sounder, at a supersonic speed.