annuity(n = noun.possession) rente - income from capital investment paid in a series of regular payments; "his retirement fund was set up to be paid as an annuity"
is a kind of regular payment
has particulars: annuity in advance, ordinary annuity, reversionary annuity, survivorship annuity, tontine

   A sum of money, payable yearly, to continue for a given number of years, for life, or forever; an annual allowance. [1913 Webster]

annuity, n. (pl. -ies)
1 a yearly grant or allowance.
2 an investment of money entitling the investor to a series of equal annual sums.
3 a sum payable in respect of a particular year.

Etymology:
ME f. F annuit{eacute} f. med.L annuitas -tatis f. L annuus yearly (as ANNUAL)

N  receipt, value received, money coming in, income, incomings, innings, revenue, return, proceeds, gross receipts, net profit, earnings, accepta, avails, rent, rent roll, rental, rentage, rack-rent, premium, bonus, sweepstakes, tontine, pension, annuity, jointure, alimony, palimony, pittance, emolument, receiving, received, profitable.

annuity in advance, ordinary annuity, reversionary annuity, survivorship annuity