- annuity: money payable yearly
- coeval: having the same age or lasting the same amount of time; contemporary
- longevity: a long duration of life; length of life
- medieval: relating to middle age of european history
- millennium: 1000 years; a period of great happiness and perfection on earth
- perennial: present at all the time
- primeval: having to do with earliest agesl primitive or ancient; existing from the beginning
- superannuated: outworn, old fasion; fore to retire due to old age