Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
sumar
←
Old English
sumor
(mention)
←
Proto-Germanic
*sumaraz
(inherited)
←
Old High German
sumar
(mention)
←
Old Norse
sumarr
(mention)
←
Old Norse
sumar
(mention)
←
Old Frisian
sumur
(mention)
→
Old English
sumor
(cognate)
→
Old High German
sumar
(mention)
→
Old Norse
sumar
(mention)