Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
þinn
←
Proto-Germanic
*þīnaz
(inherited)
←
Old Norse
þínn
(inherited)
→
English
thine
(cognate)
→
Cimbrian
dain
(cognate)
→
Alemannic German
diin
(cognate)
→
Luxembourgish
däin
(cognate)