Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English blur
Old English blerian (inherited)
English blurre (mention)
English blear (mention)
English blear (mention)
Middle English bleren (inherited)
Scots blore (cognate)
Scots bloar (mention)

English blurred (affix)
English smudge (link)
English smudge (link)
English blurry (suffix)
English blear (mention)
English unblur (prefix)
English deblur (prefix)
English beblur (prefix)
English ablur (prefix)
English blurless (suffix)
English blurrable (suffix)
English anti-blur (prefix)