Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
horshwæl
←
Old English
hors
(compound)
←
Old English
hwæl
(compound)
←
Old Norse
hrosshvalr
(cognate)
→
English
walrus
(cognate)