run up vs pucker

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

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

As verbs, pucker is a hyponym of run up; that is, pucker is a word with a more specific, narrower meaning than run up:

run up (noun)	pucker (noun)
	an irregular fold in an otherwise even surface (as in cloth)

run up (verb)	pucker (verb)
pile up (debts or scores)	to gather something into small wrinkles or folds
raise by using ropes and pulleys	draw together into folds or puckers
fasten by sewing; do needlework	become wrinkled or drawn together
make by sewing together quickly
accumulate, sometimes as a debt