surcharge
noun /ˈsɜːtʃɑːdʒ/
  /ˈsɜːrtʃɑːrdʒ/
- surcharge (on something) an extra amount of money that you must pay in addition to the usual priceExtra Examplessynonym supplement
- There is a 2% surcharge on credit card users.
 - A surcharge of €40 was added to our bill.
 - The price includes the delivery surcharge of $15.
 - There is a surcharge for excess baggage.
 - a corporate tax surcharge
 
Oxford Collocations Dictionaryadjective- small
 - hefty
 - fuel
 - …
 
- have
 - add
 - impose
 - …
 
- surcharge for
 - surcharge on
 
Word Originlate Middle English (as a verb): from Old French surcharger (from sur- and charge). The early sense of the noun (late 15th cent.) was ‘excessive load’.