The verb “requite” and the adjective “requited” are quite normal English words, and “unrequited” is derived from them in the normal way.
“Unrequited” may be the form most commonly encountered (“mutual” is most common in many places “requited” would naturally fit), but the other forms are not neologisms created by backformation.
The verb “requite” and the adjective “requited” are quite normal English words, and “unrequited” is derived from them in the normal way.
“Unrequited” may be the form most commonly encountered (“mutual” is most common in many places “requited” would naturally fit), but the other forms are not neologisms created by backformation.