die Nebenkosten (pl.)

extra(noun)

something extra, or something for which an extra price is charged

The college fees cover teaching only; – stationery and other equipment are extras.

zusätzlich

extra(adjective)

additional; more than usual or necessary

They demand an extra $10 a week; We need extra men for this job.

besonders

extra(adverb)

unusually

an extra-large box of chocolates.

der/die Statist(in)

extra(noun)

in cinema or television, an actor employed in a small part, eg as a person in a crowd.

zusätzlich

extra(pronoun)

an additional amount

The book costs $6.90 but we charge extra for postage.

das Extrablatt

extra(noun)

a special edition of a newspaper containing later or special news.