Foray (noun) حملہ کرنا، اچانک حملہ

a sudden attack or incursion into enemy territory, especially to obtain something; a raid.
Example: “the garrison made a foray against Richard’s camp”
Whim (noun) خواہش، آرزو، کسک، وہم

a sudden desire or change of mind, especially one that is unusual or unexplained.
Example: “she bought it on a whim”