Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
um
←
Proto-Germanic
*umbi
(inherited)
←
Proto-Indo-European
*h₂m̥bʰi
(inherited)
←
Old Norse
umb
(inherited)
→
Faroese
um-
(mention)
→
Faroese
umskera
(mention)
→
Faroese
umhugsan
(prefix)