Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Noachtegoal
←
German
Nachtigall
(cognate)
←
West Frisian
geale
(cognate)
←
Proto-West Germanic
*nahtigalā
(inherited)
←
Old Frisian
*nachtegāle
(inherited)
←
Saterland Frisian
Nachtigal
(doublet)
→
English
nightingale
(cognate)
→
Saterland Frisian
Nachtigal
(doublet)