英吉利[igirisu] Great Britain
吉利支丹[kirishitan] early Japanese Christianity (from the later Muromachi period)
成吉思汗[jingisukan] Japanese mutton and vegetable dish
吉凶[kikkyou] sunshine and shadow
吉祥[kisshou] lucky omen

吉徴[kicchou] lucky omen
吉報[kippou] good news
吉備団子[kibidango] sweet dumpling made with mochi flour and (sometimes) millet flour (famous product of Okayama)
吉丁虫[tamamushi] jewel beetle
石部金吉[ishibekinkichi] man of incorruptible character

ゼロ次[zeroji] zero-order
位次[iji] order of rank
一次[ichiji] first
一次記憶[ichijikioku] first memory
一次元[ichijigen] one dimensional

一次線輪[ichijisenrin] primary coil
一次電流[ichijidenryuu] primary current
月次[tsukinami] every month
五十三次[gojuusantsugi] the 53 Toukaidou stages
高次[kouji] higher-order-