Word

num
こつ
one hundred-thousandth
Word

忽ち

adv
たちまち
at once; in a moment; suddenly; all at once; quickly; promptly; immediately
Word

忽然

こつぜん
sudden; unexpected
Word

粗忽

そこつ
careless; thoughtless; rash; rude; at fault
Word

粗忽者

そこつもの
careless person; thoughtless person
Word

忽焉

こつえん
sudden; unexpected