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"

詰まらない[tsumaranai] dull
右詰め[migizume] right justification
押し詰る[oshitsumaru] to approach the year end
押詰める[oshitsumeru] to pack (in box)
荷物を詰める[nimotsuwotsumeru] to pack one's things

罐詰[kanzume] packing (in cans)
気詰り[kizumari] constrained
詰まらせる[tsumaraseru] to make shorter
詰まる[tsumaru] to be packed (with)
詰む[tsumu] to become fine