Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*bōkstabaz
→
English
bookstaff
(inherited)
→
German
Buchstabe
(mention)
→
Old Norse
bókstafr
(inherited)
→
Saterland Frisian
Boukstäf
(inherited)