Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latvian vasara
Proto-Balto-Slavic *was(e)r (inherited)
Proto-Indo-European *wósr̥ (inherited)

Latvian pavasaris (mention)
Latvian pavasaris (mention)
Latvian vasarīgs (suffix)
Latvian atvasara (prefix)