期間【きかん】
period, term, interval
期待【きたい】
expectation, anticipation, hope, promising, rising, up-and-coming
時期【じき】
time, season, period, phase, stage
早期【そうき】
early stage
長期【ちょうき】
long-term
定期【ていき】
fixed period, fixed term, regular, periodic, periodical, fixed-term commuter pass, fixed-term deposit, futures contracts
期限【きげん】
term, period, time frame, time limit, deadline, cutoff (date)
任期【にんき】
term of office
短期【たんき】
short-term
同期【どうき】
same period, corresponding period, same year (of graduation, entering a company, etc.), contemporary, classmate, synchronization, synchronism
前期【ぜんき】
first term, first half-year, preceding period, early period
延期【えんき】
postponement, deferment, adjournment
後期【こうき】
latter period, second half, late stage, third trimester, second semester
初期【しょき】
early days, early years, early stages, initial stages, beginning
末期【まっき】
last years, closing years, last days, closing days, end, last stage, final stages, terminal stage (of a disease)
期日【きじつ】
fixed date, appointed date, set date, deadline, due date
画期的【かっきてき】
ground-breaking, revolutionary, unprecedented, epoch-making
時期尚早【じきしょうそう】
premature
無期限【むきげん】
indefinite
周期【しゅうき】
cycle, period