Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English sixth
Old English siexta (inherited)
English sixt (mention)
Middle English sixte (inherited)
Proto-Germanic *sehstô (inherited)

English sixthly (suffix)
English Revenge of the Sixth (blend)
English sixtel (blend)
Cimbrian zèkste (cognate)
North Frisian seekst (cognate)
North Frisian seekst (link)
Pennsylvania German sext (cognate)