Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Norse es
German er (cognate)
Proto-Germanic *isti (inherited)
Proto-Germanic *iz (inherited)
Proto-Norse ᛁᛊᛏ (inherited)
Old High German er (cognate)
Gothic 𐌹𐍃 (cognate)
Proto-Indo-European *h₁es- (root)
Old Norse er (mention)
Old Norse vesa (mention)
Old Norse vas (mention)
Old Norse vera (mention)
Old Norse var (mention)

English is (mention)
Westrobothnian dilles (mention)
Westrobothnian hvors (mention)
Westrobothnian väles (mention)
Old Norse er (mention)
Old Norse er (mention)
Old Norse vas (mention)
Old Norse unz (mention)
Old Norse þars (mention)
Old Norse hvars (compound)
Old Norse hvaz (mention)
Elfdalian tast (mention)