Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swahili
pikipiki
→
Rwanda-Rundi
ipikipiki
(borrowed)
→
Swahili
kipikipiki
(prefix)
→
Swahili
mapikipiki
(prefix)