同時【どうじ】
simultaneous, concurrent, same time, synchronous, together
一時【いちじ】
one o'clock, once, at one time, formerly, before, for a time, for a while, for the time being, for the present, for the moment, temporarily, a time, one time, once
当時【とうじ】
at that time, in those days
時代【じだい】
period, epoch, era, age, the times, those days, oldness, ancientness, antiquity, antique, period piece
時間【じかん】
time, hour, period, class, lesson
時期【じき】
time, season, period, phase, stage
臨時【りんじ】
temporary, provisional, interim, special, extraordinary, extra
零時【れいじ】
twelve o'clock, midnight, noon
即時【そくじ】
prompt, immediate, in real time
時々【ときどき】
sometimes, occasionally, at times, from time to time, now and then, once in a while, at intervals, seasonal, of the season, appropriate (for the season or occasion)
時計【とけい】
clock, watch, timepiece
時速【じそく】
speed (per hour)
一時的【いちじてき】
temporary, transitory, short-lived
長時間【ちょうじかん】
long time, several hours, long spell
時刻【じこく】
time, (the) hour, favourable time, opportunity, chance
時折【ときおり】
sometimes, at intervals, occasionally, on occasion, from time to time
日時【にちじ】
date and time
時限【じげん】
(school) period, period or division of time, time limit
時効【じこう】
statute of limitations, lapse of rights after a period of time, prescription (including acquisitive and extinctive prescription), becoming invalid or void after a set time, ageing, aging
時期尚早【じきしょうそう】
premature