安全期[anzenki] safe period
暗黒期[ankokuki] eclipse period
一期[ichigo] one's life time
一期[ikki] one term
一期一会[ichigoichie] once-in-a-lifetime encounter (hence should be cherished as such)

一周期[isshuuki] period (in astronomy)
一定期間[itteikikan] fixed interval
延期[enki] postponement
延期になる[enkininaru] to be postponed
沖積期[chuusekiki] alluvial period

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

胃癌[igan] stomach cancer
癌腫[ganshu] carcinoma
黒色癌[kokushokugan] melanocarcinoma
乳癌[nyuugan] breast cancer
発癌[hatsugan] cancer causing

発癌性[hatsugansei] carcinogenic
肺癌[haigan] lung cancer
制癌剤[seiganzai] anti-cancer (cancer-inhibiting) drug
舌癌[zetsugan] cancer of the tongue