Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
swinsian
←
Proto-Germanic
*swinisōną
(inherited)
←
Proto-Germanic
*swin-
(derived)
←
Proto-West Germanic
*swinisōn
(inherited)
→
English
swan
(cognate)
→
Sanskrit
स्वनति
(cognate)