Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
wolkom
←
Proto-Germanic
*wiljakumô
(inherited)
←
Old Frisian
*wilkuma
(inherited)
→
English
welcome
(cognate)
→
Dutch
welkom
(cognate)
→
Saterland Frisian
wilkemen
(cognate)