Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
seo
←
Old English
sǣ
(cognate)
←
Proto-West Germanic
*saiwi
(inherited)
←
Old High German
sēo
(cognate)
←
Old Norse
sær
(cognate)
←
Old Dutch
sēo
(cognate)
←
Old Frisian
sē
(cognate)