Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
sláttr
←
Proto-Germanic
*slahtuz
(inherited)
→
Danish
slæt
(inherited)
→
Westrobothnian
slatt
(inherited)
→
Norwegian Bokmål
slått
(derived)
→
Norwegian Nynorsk
slått
(derived)
→
Swedish
slåtter
(derived)