Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sanskrit
मन्तृ
←
Proto-Indo-European
*men-
(mention)
→
English
mentor
(cognate)
→
Ancient Greek
Μέντωρ
(cognate)
→
Latin
monitor
(cognate)