Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
paja
←
Tavringer Romani
[[pagra]], [[paggra]]
(borrowed)
←
Romani
phag-
(derived)
←
Sanskrit
भनक्ति
(cognate)
→
Swedish
paj
(back-formation)