Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
eiste
←
Proto-Germanic
*aistô
(inherited)
←
Old Norse
eista
(inherited)
→
Icelandic
eista
(cognate)