Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Gemach
←
Middle High German
gemach
(inherited)
←
Old High German
gimah
(inherited)
→
German
Schlafgemach
(compound)
→
Swedish
gemak
(cognate)
→
Swedish
mak
(cognate)