Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Nachtmahr
←
German
Nacht
(compound)
←
German
Mahr
(compound)
→
English
nightmare
(cognate)
→
Finnish
mara
(cognate)