古往今来[kooukonrai] in all ages
古今[kokon] ancient and modern times
古今東西[kokontouzai] all times and places
古今無類[kokonmurui] best ever

今か今か[imakaimaka] eagerly waiting
今が今[imagaima] just now
今が今まで[imagaimamade] till just now
今しがた[imashigata] moment ago

亜鉛末[aenmatsu] zinc dust
学期末[gakkimatsu] end of term
巻末[kanmatsu] end of a book
期末[kimatsu] end of term
期末試験[kimatsushiken] final exam

旧年末[kyuunenmatsu] end of last year
結末[ketsumatsu] end
月末[getsumatsu] end of the month
跡始末[atoshimatsu] settlement (of affairs)
語末[gomatsu] end of a word

一週[isshuu] one week
一週間[isshuukan] one week
今週[konshuu] this week
今週中に[konshuujuuni] before the week is out
さ来週[saraishuu] week after next

七週の祭[nanamawarinoiwai] the Feast of Weeks
七週の祭り[nanashuunomatsuri] the Feast of Weeks
週刊[shuukan] published weekly
週刊雑誌[shuukanzasshi] weekly magazine