purse string vs purse

purse string and purse both are nouns.

Word	Noun	Adjective	Verb	Adverb
purse string	Yes	No	No	No
purse	Yes	No	Yes	No

purse string (noun)	purse (noun)
a drawstring used to close the mouth of a purse	a container used for carrying money and small personal items or accessories (especially by women)
	a small bag for carrying money
	a sum of money offered as a prize
	a sum of money spoken of as the contents of a money purse

purse string (verb)	purse (verb)
	contract one's lips into a rounded shape
	gather or contract into wrinkles or folds; pucker