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

→ English where (inherited)
→ Afrikaans waar (inherited)
→ Old English hwær (inherited)
→ Cimbrian ba (inherited)
→ Cimbrian bo (inherited)
→ German wo (mention)
→ Middle Dutch waer (inherited)
→ Faroese hvar (derived)
→ Jamtish hvur (inherited)
→ Gothic 𐍈𐌰𐍂 (inherited)
→ Alemannic German warr (inherited)
→ Hunsrik wo (mention)
→ Icelandic hvar (derived)
→ Latin cur (cognate)
→ Luxembourgish wou (derived)
→ Mòcheno bou (inherited)
→ Low German waar (mention)
→ Low German wor (mention)
→ Dutch waar (inherited)
→ Old Norse hvar (inherited)
→ Old Norse hvordan (inherited(non/da))
→ Old Frisian wêr (inherited(ofs/fy))
→ Old Saxon hwarod (inherited)
→ Old Saxon hwarasun (inherited)
→ Elfdalian war (inherited)
→ Scots whaur (inherited)
→ Swedish var (derived)
→ Swedish hur (inherited)