run up vs tick

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

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

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

run up (noun)	tick (noun)
	any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
	a light mattress
	a mark indicating that something has been noted or completed etc.
	a metallic tapping sound

run up (verb)	tick (verb)
pile up (debts or scores)	put a check mark on or near or next to
raise by using ropes and pulleys	sew
fasten by sewing; do needlework	make a clicking or ticking sound
make by sewing together quickly	make a sound like a clock or a timer
accumulate, sometimes as a debt