Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
skärp
←
English
sharp
(link)
←
Proto-Germanic
*skarpaz
(derived)
←
Old Frisian
skerp
(derived)
←
Old Frisian
skarp
(mention)