Centas is a Lithuanian word that means "cents" in English, but there are many synonyms for this term that can be used depending on the context. Some of the common synonyms for centas include "penny," "nickel," "dime," "quarter," "half-dollar," and "dollar." Each of these terms represents a different coin denomination in the US currency system. Other possible synonyms for centas might include terms like "small change," "coinage," or "currency." These terms may be used more broadly to refer to any type of coins or paper currency used in a particular country or region. Overall, the term "centas" has a lot of different synonyms that can be used depending on the speaker's needs and preferences.