Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
dum
←
English
dumb
(link)
←
Proto-Germanic
*dumbaz
(derived)
←
Old Frisian
dumb
(derived)
→
Saterland Frisian
Oadeldum
(suffix)
→
Saterland Frisian
Kristendum
(suffix)
→
Saterland Frisian
Oaindum
(suffix)
→
Saterland Frisian
Riekdum
(suffix)
→
Saterland Frisian
Woaksdum
(suffix)