cashier's check vs treasurer's cheque

cashier's check and treasurer's cheque both are nouns.

Word	Noun	Adjective	Verb	Adverb
cashier's check	Yes	No	No	No
treasurer's cheque	Yes	No	No	No

As nouns, cashier's check and treasurer's cheque are synonyms defined as:

cashier's check and treasurer's cheque: a check issued by the officer of a bank on the banks own account (not that of a private person)

Other synonyms of cashier's check include cashier's cheque, treasurer's check.

cashier's check (noun)	treasurer's cheque (noun)
a check issued by the officer of a bank on the banks own account (not that of a private person)	a check issued by the officer of a bank on the banks own account (not that of a private person)