Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English trencher
English trench (mention)
Middle English trenchour (inherited)
French tranchoir (cognate)
Old French trenchier (mention)

English treen (link)
English trencherful (suffix)
English trencherlike (suffix)
English trencher-man (suffix)
English lick-trencher (compound)
Scottish Gaelic truinnsear (borrowed)