superficial vs sounding

superficial is not a noun while sounding is a noun.

Word	Noun	Adjective	Verb	Adverb
superficial	No	Yes	No	No
sounding	Yes	Yes	No	No

superficial (noun)	sounding (noun)
	the act of measuring depth of water (usually with a sounding line)
	a measure of the depth of water taken with a sounding line

superficial (adjective)	sounding (adjective)
concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually	making or having a sound as specified; used as a combining form
of, affecting, or being on or near the surface	having volume or deepness
hasty and without attention to detail; not thorough	appearing to be as specified; usually used as combining forms
of little substance or significance
occurring on or near the surface of the skin