THESAURUS
abundant year, academic year, annum, bissextile year, calendar
month, calendar year, century, common year, day, decade, decennary, decennium, defective year, fiscal year, fortnight, hour, leap year, lunar
month, lunar year, lunation, luster, lustrum, man-hour, microsecond, millennium, millisecond, minute, moment, moon, quarter, quinquennium, regular year, second, semester, session, sidereal year, solar year, sun, term, trimester, twelvemonth, week, weekday, year
ROGET THESAURUS
Period
N
period, age, era, second, minute, hour, day, week,
month, quarter, year, decade, decenniumm lustrum, quinquennium, lifetime, generation, epoch, ghurry, lunation, moon, century, millennium, annus magnus, horary, hourly, annual.