Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
liðugur
←
Proto-Germanic
*liþugaz
(inherited)
←
Old Norse
liðugr
(inherited)
→
English
lithy
(cognate)
→
Old English
liþig
(cognate)