Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
indeclinabilis
←
Latin
in-
(affix)
←
Latin
dēclīnābilis
(affix)
→
English
indeclinable
(derived)