何歳[nansai] how old?
凶歳[kyousai] poor crop year
歳未満[saimiman] under ... years of age
歳月[saigetsu] time
歳出[saishutsu] annual expenditure

歳入[sainyuu] annual revenue
歳入歳出[sainyuusaishutsu] annual income and expenditure
歳費[saihi] annual expenditure
歳暮[seibo] end of the year

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"