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

→ English what (inherited)
→ English whose (mention)
→ Afrikaans wat (inherited)
→ Old English hwæt (inherited)
→ Cimbrian baz (inherited)
→ Cimbrian bas (inherited)
→ Danish hvad (derived)
→ Danish nogen (mention)
→ German was (inherited)
→ Middle Dutch wat (inherited)
→ Faroese hvat (inherited)
→ West Frisian wat (inherited)
→ Middle Low German wat (inherited)
→ Westrobothnian hvo (inherited)
→ Old High German waz (inherited)
→ Alemannic German waas (inherited)
→ Hunsrik was (inherited)
→ Icelandic hvað (derived)
→ Norwegian Bokmål hva (inherited)
→ Dutch wat (inherited)
→ Old Norse hvat (inherited)
→ Old Dutch wat (inherited)
→ Old Saxon hwat (inherited)
→ Swedish vad (inherited)
→ Yiddish וואָס (inherited)