check out vs tick

check out is not a noun while tick is a noun.

Word	Noun	Adjective	Verb	Adverb
check out	No	No	Yes	No
tick	Yes	No	Yes	No

check out (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

check out (verb)	tick (verb)
examine so as to determine accuracy, quality, or condition	put a check mark on or near or next to
announce one's departure from a hotel	sew
try to learn someone's opinions and intentions	make a clicking or ticking sound
record, add up, and receive payment for items purchased	make a sound like a clock or a timer
withdraw money by writing a check
trace
be verified or confirmed; pass inspection