The phrase "feigned fear" is correct and commonly used in written English.
It means to pretend or fake being afraid. Example: The actress put on a convincing performance, convincing the audience with her feigned fear as she ran away from the masked villain on stage.
A long comic duet between Adèle and Ory becomes surprisingly intense when, as Sister Colette, he feigns fear and keeps embracing the unsuspecting Adèle and begging for affection.
Ordonez would not comment, but he seemed to dispute that theory; when informed of it, he began swinging a bat and then darting his eyes around, feigning fear and mocking the assertion that he is nervous at the plate.
He need not feign, Fear, strive or envy.
Around the same time, London's Pall Mall Gazette detailed the lives of child prostitutes and greedy procuresses in a series billed as "abominable, unutterable, and worse than fables yet have feigned, or fear conceived".
They feign fear of another Supreme Court interpretation of the Constitution that will not be to their liking, or in line with the tenets of their particular faith.
Passing people often feigned infertility out of fear that the baby might be born visibly black -- genetically unlikely, but nonetheless a stubborn part of the black folklore.
If you leave a shitty tip, and don't try to remedy the issue DURING the meal, chances are you could very well be feigning ignorance and/or fear of conflict to weasel out of paying what you should.
When Cosimo was not initially forthcoming, she switched her focus to her son the Grand Prince, in the hope he would help her, but he feigned he could not, for fear of upsetting his father.
The police discovered the real identity of Trinity, and at Arthur's house, Debra confronts Dexter, who feigns surprise and fears Debra is close to realizing his secret life as a serial killer.
