Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English mediocrity
Middle French médiocrité (derived)
Proto-Indo-European *h₂eḱ- (root)
Latin mediocritās (derived)
Latin mediocris (mention)

English multimediocrity (blend)
English mediocritist (suffix)
English mediocritize (suffix)
English submediocrity (prefix)