limited express train (faster than an express train)
特 とっ
特急limited express train (faster than an express train)特許special permission特権privilege
急 きゅう
急urgent急行speedy特急limited express train (faster than an express train)急激sudden急速rapid (e.g. progress)急にswiftly至急urgent応急emergency緊急urgent早急urgent準急local express (train slower than an express)