soured vs sour

soured is not a noun while sour is a noun.

Word	Noun	Adjective	Verb	Adverb
soured	No	Yes	No	No
sour	Yes	Yes	Yes	No

soured (noun)	sour (noun)
	the property of being acidic
	the taste experience when vinegar or lemon juice is taken into the mouth
	a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar

soured (adjective)	sour (adjective)
having turned bad	having a sharp biting taste
	showing a brooding ill humor
	inaccurate in pitch
	smelling of fermentation or staleness
	in an unpalatable state
	one of the four basic taste sensations; like the taste of vinegar or lemons

soured (verb)	sour (verb)
	go sour or spoil
	make sour or more sour