Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*muglōną
→
English
mold
(derived)
→
English
mould
(derived)
→
Middle English
mowlen
(derived)
→
Westrobothnian
møgel
(inherited)
→
Icelandic
mygla
(inherited)