Synonyms for Voucher

Draught
bill blank check checkbook	debenture demand draft draught	letter of credit money order paper	promissory note voucher

Warranty
affidavit attestation authority authorization bill of health certificate	certification countenance credential deposition diploma fiat	note ratification sheepskin sworn statement testimonial ticket	visa voucher warranty witness

Bystander
bystander drugstore cowboy eyewitness informant informer	kibitzer looker neighbor observer onlooker	passerby seer spectator tangent televiewer	viewer voucher watcher witness