怵 (w)

(chù) fearful; timid; to fear

怵惕 (w)

(chùtì) scare; fright

怵惧 (w)

(chùjù) fear; dread; panic

怵然 (w)

(chùrán) fearful

怵目惊心 (w)

(chùmùjīngxīn) lit. shocks the eye, astonishes the heart (idiom); shocking; horrible to see; a ghastly sight; also written 觸目驚心|触目惊心