Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English dern
Old English dyrne (inherited)
Old English dierne (mention)
Old English dyrne (inherited)
Old English dierne (mention)
Old English dyrnan (inherited)
Old English diernan (mention)
German tarnen (cognate)
English in dern (link)
English darn (link)
English tarnish (link)
English darn (link)
English tarnish (link)
Middle English dern (inherited)
Middle English derne (mention)
Middle English dern (inherited)
Middle English derne (mention)
Middle English dernen (inherited)
Middle English dærnen (mention)
Proto-West Germanic *darnī (derived)
Proto-West Germanic *darnī (inherited)
Proto-West Germanic *darnijan (inherited)
Proto-West Germanic *darnī (mention)
Proto-Indo-European *dʰer- (root)
Proto-Indo-European *dʰer- (root)
Proto-Indo-European *dʰer- (root)
Old Saxon dernian (cognate)

English tarnish (doublet)
English dernly (suffix)
English dernful (suffix)
English derne (mention)