Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Geheimnis
←
German
geheim
(suffix)
←
German
nis
(suffix)
←
Dutch
geheimenis
(cognate)
→
German
geheimnisvoll
(suffix)
→
German
Bankgeheimnis
(compound)
→
German
Briefgeheimnis
(compound)
→
German
Geschäftsgeheimnis
(compound)
→
German
Geheimnisverrat
(affix)
→
Luxembourgish
Geheimnis
(derived)
→
Dutch
geheimenis
(cognate)