Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
blōdiġ
→
English
bloody
(inherited)
→
Old English
blodgian
(affix)
→
Icelandic
blóðugur
(cognate)