Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English clench
Old English clenċan (inherited)
Old English clenġan (inherited)
English cling (mention)
Middle English clenchen (inherited)
Proto-Germanic *klangijaną (inherited)
Proto-Germanic *klinganą (mention)

English clinch (mention)
English unclench (prefix)
English clinker-built (mention)
English clencht (suffix)
English clenchable (suffix)
English clencher (suffix)
English clenchpoop (compound)
English reclench (prefix)
Portuguese apertamento (link)