Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
amma
←
Old High German
amma
(cognate)
←
Proto-Indo-European
*amma-
(derived)
←
Proto-Indo-European
*ama-
(mention)
←
Latin
amita
(cognate)
←
Latin
anus
(cognate)
→
Albanian
ëmë
(cognate)