Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English quell
Old English cwellan (inherited)
Old English cwylla (inherited)
Old English *cwielle (mention)
Old Church Slavonic жаль (cognate)
German quälen (cognate)
German Quelle (cognate)
English kill (mention)
Middle English quellen (inherited)
Middle English *quelle (inherited)
Middle English quellen (mention)
Proto-Germanic *kwaljaną (inherited)
Proto-Germanic *kwellǭ (inherited)
Proto-Indo-European *gʷelH- (root)
Icelandic kvelja (cognate)
Swedish kvälja (cognate)
Old Armenian կեղ (cognate)

English kill (link)
English qualm (mention)
English still (link)
English squelch (blend)
English queller (suffix)
English delay (link)
English quetiapine (affix)
English quellest (suffix)
English overquell (prefix)
English quelleth (suffix)
Welsh bala (cognate)
Danish kvæle (cognate)
German quälen (cognate)
Luxembourgish Quell (cognate)
Old Norse kveld (mention)
Sanskrit गलति (cognate)