to speak or say with involuntary pauses or blocks, often with rapid repetitions of syllables or initial sounds, as temporarily from excitement, embarrassment, etc. or chronically as a result of muscle spasms believed to result from mental conflicts; stutter.

to fear - a) to be afraid of (a person, thing or anticipated event); b) hesitate to do; shrink from doing; c) to be apprehensive of or about; d) to have an uneasy sense of the probability of, be afraid that; e) to apprehend or anticipate (something unpleasant).

ಉರುಕುಗೊಳಿಸು urukugoḷisu to cause a sense of fear, apprehension; to make afraid; to frighten; to drive by frightening.