zusätzlicher
Zusätzlicher is a German adjective meaning "additional" or "extra." It is the inflected form of the base adjective zusätzlich, which itself comes from das Substantiv Zusatz (addition) with the adjectival suffix -lich, and is used to describe something added beyond what already exists.
Declension and examples. Zusatzlicher appears in masculine nominative singular after an indefinite article or in predicative
Usage. Zusatzlich means something that is added to what exists already, such as time, money, or features.