Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English potassium
English potassa (suffix)
English -ium (suffix)

English potash (doublet)
English potassic (suffix)
English monopotassium (prefix)
English dipotassium (prefix)
English methylpotassium (compound)
English organopotassium (prefix)
English nonpotassium (prefix)
English potassiferous (affix)
English potassian (suffix)
English potassoxyl (affix)
English radiopotassium (prefix)
English potasside (suffix)
English potassiumlike (suffix)
English hypopotassemia (affix)
English hyperpotassemia (affix)
English pentapotassium (prefix)
English hexapotassium (prefix)
English tetrapotassium (prefix)
English tripotassium (prefix)
English undecapotassium (prefix)
Spanish potasio (derived)
Irish potaisiam (borrowed)
Burmese ပိုတက်ဆီယမ် (borrowed)
Swahili potasiamu (borrowed)
Telugu పొటాషియము (borrowed)
Xhosa ipotaziyam (borrowed)