Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
gjen-
←
Old Norse
gegn
(mention)
→
Norwegian Nynorsk
gjenta
(affix)
→
Norwegian Nynorsk
gjengi
(affix)
→
Norwegian Nynorsk
gjentaka
(affix)
→
Norwegian Nynorsk
gjendåp
(affix)