Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Gertrude
←
Proto-Germanic
*gaizaz
(derived)
←
Proto-Germanic
*þrūþiz
(mention)
←
Proto-Germanic
*trut-
(mention)
→
English
Trudy
(suffix)
→
Finnish
Kerttu
(cognate)