Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*lendʰ- (loin)
→
English
lend
(root)
→
English
lumbar
(root)
→
English
loin
(root)
→
English
lumbago
(root)