cheque vs check out

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

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

As verbs, cheque and check out are synonyms defined as:

cheque (noun)	check out (noun)
a written order directing a bank to pay money

cheque (verb)	check out (verb)
withdraw money by writing a check	examine so as to determine accuracy, quality, or condition
	announce one's departure from a hotel
	try to learn someone's opinions and intentions
	record, add up, and receive payment for items purchased
	withdraw money by writing a check
	trace
	be verified or confirmed; pass inspection