Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
fuchtich
←
German
feucht
(cognate)
←
Dutch
vochtig
(cognate)
←
Saterland Frisian
*fucht
(suffix)
←
Saterland Frisian
ich
(suffix)