Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
plógur
←
Proto-Germanic
*plōgaz
(inherited)
←
Old Norse
plógr
(inherited)
→
English
plough
(cognate)
→
Danish
plov
(cognate)
→
German
Pflug
(cognate)
→
Luxembourgish
Plou
(cognate)