Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English add
Proto-Indo-European *deh₃- (root)
Latin addō (derived)
Latin ad (mention)
Latin (mention)

English annex (link)
English sum (link)
English adder (affix)
English addable (suffix)
English addible (suffix)
English addeth (suffix)
English readd (prefix)
English add-in (compound)
English superadd (prefix)
English addest (suffix)
English coadd (prefix)
English unadd (prefix)
English misadd (prefix)
English cycloadd (prefix)
Welsh adio (borrowed)
Icelandic adda (borrowed)