creek B2

/kɹik/ A small natural stream of water, smaller than a river.

cripple B2

/ˈkɹɪp(ə)l/ To seriously damage something so that it can no longer work properly.

crutch C2

/kɹʌt͡ʃ/ anything that serves as an expedient

crouch C2

/kɹaʊt͡ʃ/ to sit on one's heels

egregious C2+

/ɪˈɡridʒəs/ outstandingly bad; conspicuously and shockingly offensive