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 hwǣr

English where (inherited)
Old English gehwær (prefix)
Old English hwara (mention)
Old English nahwær (compound)
Old English hwærhwugu (suffix)
Middle English wher (inherited)
Latin cur (cognate)
Scots whaur (inherited)