Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
löður
←
Proto-Germanic
*lauþrą
(inherited)
←
Old Norse
lauðr
(inherited)
→
English
lather
(cognate)
→
Greek
λουτρό
(cognate)