sounding vs superficial

sounding is a noun but superficial is not a noun.

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

sounding (noun)	superficial (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

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