cashier's cheque vs treasurer's cheque

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

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

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

cashier's cheque 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 cheque include cashier's check, treasurer's check.

cashier's cheque (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)