Contest and Challenged

Contest verb - To demand proof of the truth or rightness of.

Challenged and contest are semantically related. In some cases you can replace term "Challenged" with "Contest", this verbs are similar.

Nearby Words: contested, contestant, contestation, contesting

Challenged adjective - Deprived of the power to perform one or more natural bodily activities.

Contest and challenged are semantically related. Sometimes you can use "Contest" instead a verb "Challenged".

Nearby Words: challenge, challenging, challenger