Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
seggian
←
Proto-West Germanic
*saggjan
(inherited)
→
Old English
secgan
(cognate)
→
Old High German
sagen
(cognate)
→
Low German
seggen
(inherited)
→
Old Norse
segja
(cognate)
→
Old Saxon
witharseggian
(affix)