ultrasonic vs supersonic

ultrasonic and supersonic both are adjectives.

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

As adjectives, ultrasonic and supersonic are synonyms defined as:

ultrasonic and supersonic: having frequencies above those of audible sound

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