Rapid

快

Fast, Quick, Rapid, Soon, Speedy, Swift

捷

Agile, Fast, Prompt, Quick, Rapid, Swift, Triumph, Victory, Win

疾

Disease, Envy, Fast, Rapid, Sickness, Swift

迅

Fast, Quick, Rapid

速

Fast, Invite, Prompt, Quick, Rapid, Speed, Speedy

飛

Fast, Fly, Quick, Radical, Rapid, Soar

騖

Fast, Gallop, Pursue, Rapid, Uninhibited, Unrestrained

急促

Rapid

急速

Rapid

疾速

Fast, Quick, Rapid

緊密

Close, Close-knit, Closely, Compact, Intense, Orderly, Precise, Rapid, Rigorous, Tightly

霍然

Rapid, Sudden