Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English indeclinable
English in- (mention)
English decline (mention)
French indéclinable (derived)
Latin indeclinabilis (derived)

English indeclinably (suffix)
English indeclinableness (suffix)
Latin Nazara (link)
Polish Włoch (link)