Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
sæbe
←
Proto-Germanic
*saipǭ
(derived)
←
Middle Low German
sēpe
(derived)
←
Proto-West Germanic
*saipā
(derived)
←
Old Saxon
sēpa
(derived)
→
English
soap
(cognate)
→
Danish
sæbeopera
(mention)