Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
halvø
←
Danish
halv
(compound)
←
Danish
ø
(compound)
→
German
Halbinsel
(cognate)
→
Swedish
halvö
(cognate)