Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
mara
←
German
Nachtmahr
(cognate)
←
English
nightmare
(cognate)
←
Spanish
mará
(derived)
←
Swedish
mara
(borrowed)
←
Swedish
mardröm
(cognate)
→
Finnish
aavikkomara
(compound)
→
Finnish
etelänmara
(compound)