改修[kaishuu] repair
監修[kanshuu] (editorial) supervision
経営学修士[keieigakushuushi] Master of Business Administration
兼修[kenshuu] studying two lines together (as a major and a minor)
研修[kenshuu] training (esp. in-service)

研修員[kenshuuin] trainee
研修課[kenshuuka] training section
研修生[kenshuusei] trainee
事前研修[jizenkenshuu] advance training
修まる[osamaru] to govern oneself

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

ジェット推進研究所[jettosuishinkenkyuusho] Jet Propulsion Laboratory
観察的研究[kansatsutekikenkyuu] observational study
基礎研究[kisokenkyuu] basic research
客員研究員[kyakuinkenkyuuin] visiting researcher
共同研究[kyoudoukenkyuu] collaborative research

研学[kengaku] study
研究[kenkyuu] study
研究チーム[kenkyuuchiimu] research team
研究員[kenkyuuin] researcher
研究会[kenkyuukai] research society

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"