Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin sero
Old English serc (cognate)
Dalmatian inseruor (link)
English sark (link)
Ancient Greek εἴρω (cognate)
Proto-Indo-European *seh₁- (root)
Proto-Indo-European (derived)
Proto-Indo-European *seh₁- (mention)
Proto-Indo-European *ser- (root)
Proto-Indo-European *ser- (derived)
Proto-Indo-European *ser- (root)
Proto-Italic *sizō (derived)
Proto-Italic *serō (derived)
Latin sera (mention)
Latin serō (mention)
Latin obserō (link)
Latin reserō (link)
Latin sērus (mention)
Latin sērōtinus (link)
Latin sēritās (link)
Latin sērus (link)
Lithuanian sėris (cognate)
Romansch sarar (link)
Sanskrit सरत् (cognate)
Venetian sarar (link)

English series (mention)
Kazakh серия (mention)
Latin satus (mention)
Latin intersero (prefix)
Picard soér (inherited)
Sanskrit सरत् (cognate)