Synonyms of credentials

1 Syllable
card, proof, deed
2 Syllables
ducat, token, voucher, warrant, title, docket, papers, passport, background, sanction
3 Syllables
missive, diploma, document, license, testament, character
4 Syllables
testimonial, endorsement
5 Syllables
authorization, verification, accreditations, dignification, verifications, documentation, recommendation, accreditation, certificate
6 Syllables
identifications, identification