Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Danish tværs
Old English þwēores (cognate)
Danish tvær (cognate)
Proto-Germanic *þwerhas (inherited)
Proto-Germanic *þwerhaz (mention)
Middle High German twerhes (cognate)
Middle Low German dwers (cognate)
Dutch dwars (cognate)
Old Norse þvers (derived)
Swedish tvers (cognate)
Swedish tvärs (cognate)

Danish tvær (link)