Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Czech devět
Proto-Indo-European *h₁néwn̥ (inherited)
Proto-Slavic *devętь (inherited)

Czech devadesát (affix)
Czech devítka (suffix)
Czech devítiúhelník (affix)
Czech devatero (mention)
Lithuanian devyni (cognate)
Latvian deviņi (cognate)