Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English grub
Old English *grubbian (inherited)
German grübeln (cognate)
English bub (mention)
Middle English grub (cognate)
Proto-Germanic *grubb- (derived)
Proto-Germanic *grub- (derived)
Old High German grubilōn (cognate)
Proto-Indo-European *gʰrebʰ- (root)

English grubber (suffix)
English gribble (mention)
English mulligrubs (mention)
English grubby (affix)
English grubstake (compound)
English money-grubbing (link)
English witchety grub (compound)
English canegrub (compound)
English grublike (suffix)
English grubworm (compound)
English undergrub (prefix)
English grubble (affix)
English grubling (suffix)
English grubhouse (compound)
English grubless (suffix)
Cimbrian grübalan (cognate)
Hungarian nyű (link)