Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
fécken
←
German
ficken
(cognate)
←
English
fuck
(cognate)
←
Middle High German
ficken
(inherited)
←
Dutch
fokken
(cognate)