Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
eilân
←
Proto-Germanic
*awjōlandą
(inherited)
←
Old Frisian
alond
(inherited)
←
Old Frisian
āland
(mention)
←
Old Frisian
eiland
(mention)
→
English
island
(cognate)
→
North Frisian
eilun
(mention)
→
North Frisian
ailönj
(mention)