Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latvian seši
Proto-Balto-Slavic *šéš (inherited)
Proto-Indo-European *swéḱs (inherited)
Latvian (mention)
Latvian sestais (mention)

Latgalian seši (cognate)
Latvian sešnieks (suffix)
Latvian sešpaka (compound)