Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
groupthinker
←
English
groupthink
(suffix)
←
English
er
(suffix)
←
English
group
(compound)
←
English
thinker
(compound)