Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Malayo-Polynesian
*ka-
→
Indonesian
ke-
(derived)
→
Malay
ke-
(mention)
→
Malay
ک-
(mention)