Point 1. Words made with kha3a



 Passport fee   ค่าหนังสือเดินทาง
 Cost of sending 
 Cost of taking a picture
cost of having
 picture taken
 Rent ('cost of renting')
rental fee expenses
 Expenses  ค่าใช้จ่าย

The word kha3a 'cost, fee, worth, value' may be combined quite freely with either nouns (as in the first example above) or with verbs (as in the remaining examples).