standing vs stagnant

standing is a noun but stagnant is not a noun.

Word	Noun	Adjective	Verb	Adverb
standing	Yes	Yes	No	No
stagnant	No	Yes	No	No

standing (noun)	stagnant (noun)
the act of assuming or maintaining an erect upright position
an ordered listing of scores or results showing the relative positions of competitors (individuals or teams) in a sporting event
social or financial or professional status or reputation

standing (adjective)	stagnant (adjective)
(of persons) on the feet; having the torso in an erect position supported by straight legs	not circulating or flowing
executed in or initiated from a standing position	not growing or changing; without force or vitality
(of fluids) not moving or flowing
having a supporting base
not created for a particular occasion
permanent