cast off vs run up

cast off and run up both are verbs.

Word	Noun	Adjective	Verb	Adverb
cast off	No	No	Yes	No
run up	No	No	Yes	No

As verbs, run up is a hypernym of cast off; that is, run up is a word with a broader meaning than cast off:

Other hypernyms of cast off include sew, sew together, stitch.

cast off (verb)	run up (verb)
to remove	pile up (debts or scores)
make the last row of stitches when knitting	raise by using ropes and pulleys
	fasten by sewing; do needlework
	make by sewing together quickly
	accumulate, sometimes as a debt