What is another word for "debenture"?

Roget's Thesaurus (1911) lists these synonyms for "debenture": account, accredit, capital, card, circular, creance, credit, creditor, draft, dun, duplicate, floating, fly, give, intrust, keep, kite, lender, lessor, letter, lien, line, mortgage, mortgagee, note, open, paper, place, run, score, take, tally, the, tick, trust, usurer, with.