deposit (money given as an initial payment)

pay (money)

apartment

apartment building, apartment house

first, the beginning, the start

at first, firstly

to ensure, to attest, to stipulate, to vouch / to assume legal responsibility, to swear

an assurance, a guarantee / a guarantee or warranty for a product / legal assumption of responsibility

borrowing, a debt, a loan (for the borrower, not the lender) / (obsolete) in the Edo period, a system for arranging house calls by prostitutes

to borrow / to rent / to owe