blank cheque vs blank check

blank cheque and blank check both are nouns.

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

As nouns, blank cheque and blank check are synonyms defined as:

blank cheque and blank check: a check that has been signed but with the amount payable left blank

blank cheque (noun)	blank check (noun)
a check that has been signed but with the amount payable left blank	a check that has been signed but with the amount payable left blank
	freedom to do as you see fit