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

→ English who (inherited)
→ English where (cognate)
→ Old English gehwa (prefix)
→ Middle English who (inherited)
→ Middle English whom (mention)
→ Middle English whan (mention)
→ Middle English whan (mention)
→ Middle English whos (mention)
→ Old Frisian hwa (cognate)
→ Sanskrit क (cognate)
→ Scots wha (inherited)
→ Scots whae (inherited)
→ Yola fho (inherited)