cashier's cheque vs treasurer's check

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

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

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

cashier's cheque and treasurer's check: 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 cheque.

cashier's cheque (noun)	treasurer's check (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)