subsonic vs supersonic

subsonic and supersonic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
subsonic	No	Yes	No	No
supersonic	No	Yes	No	No

subsonic (adjective)	supersonic (adjective)
(of speed) less than that of sound in a designated medium	(of speed) greater than the speed of sound in a given medium (especially air)
	having frequencies above those of audible sound