Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Latvian pelēks
Proto-Indo-European *pel- (mention)
Proto-Indo-European *pel- (mention)
Latin pelēt (mention)
Latin pelgans (mention)
Latin pele (mention)
Lithuanian pelė́kas (cognate)
Latvian pele (mention)

Latvian pelēkums (suffix)
Latvian iepelēks (prefix)
Latvian pelēcīgs (suffix)
Latvian pelēkgans (suffix)