Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
seggr
←
Proto-Germanic
*sagjaz
(inherited)
←
Proto-Indo-European
*sekʷ-
(root)
←
Proto-Indo-European
*sekʷ-
(derived)
→
Old English
secg
(cognate)
→
Faroese
seggur
(inherited)