Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
cheapstead
←
Old English
ċēapstōw
(cognate)
←
English
cheap
(compound)
←
English
stead
(compound)
←
Icelandic
kaupstaður
(cognate)
←
Old Norse
kaupstaðr
(cognate)
←
Swedish
köpstad
(cognate)