Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old High German glat
Proto-Germanic *gladaz (inherited)

Old English glæd (cognate)
German glatt (derived)
Luxembourgish glat (mention)
Old Norse glaðr (cognate)
Albanian gledhë (cognate)
Yiddish גלאַט (derived)