Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
būan
→
Old English
buan
(cognate)
→
Norwegian Bokmål
bo
(cognate)
→
Low German
boen
(inherited)
→
Norwegian Nynorsk
bu
(cognate)
→
Old Norse
búa
(cognate)