Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Welsh Romani jekh
Proto-Indo-Iranian *Háykas (inherited)
Proto-Indo-European *óynos (inherited)
Sauraseni Prakrit 𑀏𑀓𑁆𑀓 (inherited)
Romani jekh (inherited)
Sanskrit एक (inherited)

Welsh Romani Båro Jekh (affix)
Welsh Romani biš tha jekh (affix)
Welsh Romani trin panš tha jekh (affix)