御帰りなさい[okaerinasai] welcome home
烏有に帰する[uyuunikisuru] to be reduced to ashes
回帰[kaiki] return (to)
回帰線[kaikisen] the tropics (Cancer and Capricorn)
回帰的[kaikiteki] recursive

帰す[kaesu] to send (someone) back
帰り[kaeri] return
帰り路[kaerimichi] the way back or home
帰る[kaeru] to return
帰依[kie] devotion

宇宙旅行[uchuuryokou] space travel
軍旅[gunryo] army
股旅[matatabi] wandering life of a gambler
修学旅行[shuugakuryokou] excursion
新婚旅行[shinkonryokou] honeymoon

船旅[funatabi] trip by boat
団体旅行[dantairyokou] group travel
長旅[nagatabi] long trip
無銭旅行[musenryokou] hitchhiking

御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
また明日[mataashita] see you tomorrow
旭日[kyokujitsu] rising sun
旭日昇天[kyokujitsushouten] full of vigor and vitality (like the rising sun) (vigour)
或日[aruhi] one day (e.g. "one day while studying, ..")

一日の長[ichijitsunochou] superiority
一日一日[ichinichiichinichi] gradually
一日一夜[ichinichiichiya] all day and night
一日増しに[ichinichimashini] day by day
一日置き[ichinichioki] every other day

行けない[ikenai] wrong
行る[yaru] to send
オリエント急行[orientokyuukou] Orient express
カ行[kagyou] classification for Japanese verb with the dictionary form ending in "ku"
ガ行[gagyou] classification for Japanese verb with the dictionary form ending in "gu"

サ行[sagyou] classification for Japanese verb with the dictionary form ending in "su"
ザ行[zagyou] classification for Japanese verb with the dictionary form ending in "zu"
スパイ行為[supaikoui] espionage
タ行[tagyou] classification for Japanese verb with the dictionary form ending in "tsu"
ダ行[dagyou] classification for Japanese verb with the dictionary form ending in "dzu"