Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English blather
German bladdern (cognate)
English blether (link)
Middle English bletheren (inherited)
Middle English bloderen (mention)
Icelandic blaðra (cognate)
Norwegian bladra (cognate)
Old Norse blaðra (derived)
Scots blether (cognate)
Scots bladder (mention)
Scots bledder (mention)

English rabbit (link)
English blatherskite (affix)
English blatherer (affix)
English blither (mention)
English blatherstorm (compound)
English blathery (suffix)
English blathersome (suffix)