Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Oas
←
Proto-Germanic
*ēsaz
(inherited)
←
Old Frisian
*ās
(inherited)
←
Old Frisian
ēs
(mention)
→
Saterland Frisian
Oasfreeter
(compound)