Used
Part of speech: verb
Definition: To utilize or employ. abused, exploited, took unfair advantage of. [derogatory] to perform habitually; to be accustomed [to doing something]
Part of speech: adjective
Definition: That is or has or have been used. That has or have previously been owned by someone else. Familiar through use; usual; accustomed.
Example sentence: Religion is the organization of spirituality into something that became the hand maiden of conquerors. Nearly all religions were brought to people and imposed on people by conquerors, and used as the framework to control their minds.
Misused
Part of speech: adjective
Definition: Describing something that is used in an incorrect or inappropriate manner.
Part of speech: verb
Definition: To use (something) incorrectly.
Example sentence: The two most misused words in the entire English vocabulary are love and friendship. A true friend would die for you, so when you start trying to count them on one hand, you don't need any fingers.