Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tagalog
buwag
←
Proto-Philippine
*buag
(derived)
←
Tagalog
buwal
(doublet)
→
Tagalog
buwagin
(suffix)