Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English ēac

→ English eke (cognate)
→ English eke (inherited)
→ Middle English ek (inherited)
→ Old Norse ok (cognate)
→ Old Norse auk (cognate)
→ Old Norse ᛅᚢᚴ (cognate)
→ Old Frisian ak (cognate)
→ Pennsylvania German aa (cognate)