Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English taciturn
English taciturnity (back-formation)
Middle English taciturnite (inherited)
French taciturne (derived)
Latin taciturnitas (derived)
Latin taciturnus (derived)
Latin tacitus (mention)

English taciturnity (suffix)
English taciturnly (suffix)
English taciturnist (suffix)