Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Prussian
rugis
→
Old English
ryge
(cognate)
→
Old High German
rocko
(cognate)
→
Latvian
rudzi
(cognate)
→
Old Norse
rugr
(cognate)