Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
seaw
←
English
sog
(cognate)
←
Proto-West Germanic
*sauw
(inherited)
←
Old High German
sou
(cognate)
←
Icelandic
söggur
(cognate)
←
Old Norse
sǫggr
(cognate)
←
Swedish
sögg
(cognate)
←
Swedish
sygg
(mention)