Apprehension (noun): Snxiety or fear that something bad or unpleasant will happen. (डर, शंका)
Synonyms: Trepidation, Perturbation, Consternation, Concern
Antonyms: Confidence, Optimism, Sanguinity
Example: With recent job cuts, Kate is having apprehensions about losing her job.
T.R. Andhyarujina wrote some years ago, what we really have are different elucidations of a principle against an apprehension of bias.