Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tagalog
magkasiya
←
Tagalog
magka
(prefix)
←
Tagalog
siya
(prefix)
→
Tagalog
kasiya
(back-formation)