tick vs check out

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

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

tick (noun)	check out (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

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