Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
munnur
←
Proto-Germanic
*munþaz
(inherited)
←
Proto-Indo-European
*ment-
(derived)
←
Old Norse
munnr
(inherited)
→
English
mouth
(mention)