Harkat, Kam, Fail : Act : something that people do or cause to happen. "Whose act is this?"
Sath, Eaanat, Sahaara, Taawon, Madad : Assistance : the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose. "He would have helped you"
Emdad : Assistance : a resource. "Visual aids in teaching"