A simple trick with spellings for this one:
FEINT = FAINT
But what kind of a ‘faint’?
A mock one, a fake one!
One that is meant to deceive another person. Did you mock a faint in your childhood in order to escape school?
Meaning of Feint:
1. Any distracting or deceptive maneuver (as a mock attack).
2. A movement made in order to deceive an adversary; an attack aimed at one place or point merely as a distraction from the real place or point of attack.
Sentence Examples for Feint:
1. The feints of a skilled fencer can be quite hard to beat.
2. His air of approval was a feint to conceal his real motives.