Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
east
←
Proto-Germanic
*austrą
(inherited)
←
Old Frisian
āst
(inherited)
→
English
east
(cognate)
→
German
Ost
(cognate)
→
West Frisian
eastlik
(affix)