Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
anbauen
←
German
an
(prefix)
←
German
bauen
(prefix)
→
German
Anbau
(mention)
→
Luxembourgish
ubauen
(cognate)