Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
mahtig
←
Old English
mihtig
(cognate)
←
Proto-West Germanic
*mahtīg
(inherited)
←
Old Saxon
maht
(mention)
→
Danish
mægtig
(derived)
→
Norwegian Bokmål
mektig
(derived)
→
Norwegian Nynorsk
mektig
(derived)
→
Old Saxon
alomahtig
(prefix)
→
Swedish
mäktig
(derived)