Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
wach
←
Old English
wāg
(cognate)
←
Old English
wā
(cognate)
←
Proto-Germanic
*waigaz
(inherited)
←
Proto-Germanic
*wai
(inherited)
←
Old Saxon
wēg
(cognate)
←
Old Saxon
wah
(cognate)