Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*mōmā
→
English
mama
(derived)
→
German
Muhme
(inherited)
→
West Frisian
mem
(inherited)
→
Mòcheno
mama
(derived)
→
Mòcheno
moa'm
(inherited)