run up vs knit

run up is not a noun while knit is a noun.

Word	Noun	Adjective	Verb	Adverb
run up	No	No	Yes	No
knit	Yes	No	Yes	No

run up (noun)	knit (noun)
	needlework created by interlacing yarn in a series of connected loops using straight eyeless needles or by machine
	a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side
	a fabric made by knitting

run up (verb)	knit (verb)
pile up (debts or scores)	to gather something into small wrinkles or folds
raise by using ropes and pulleys	make (textiles) by knitting
fasten by sewing; do needlework	tie or link together
make by sewing together quickly
accumulate, sometimes as a debt