Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-West Germanic *swār

→ English swear (inherited)
→ English sweer (inherited)
→ Old English swær (inherited)
→ German schwer (inherited)
→ Middle English swere (inherited)
→ West Frisian swier (inherited)
→ Old High German swar (inherited)
→ Dutch zwaar (inherited)
→ Scots sweir (inherited)
→ Yiddish שווער (inherited)