Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*waigaz
→
English
waw
(inherited)
→
English
wo
(inherited)
→
Old English
wag
(inherited)
→
Old Frisian
wach
(inherited)
→
Saterland Frisian
Wooge
(inherited)