Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
impregnated
→
English
compreg
(mention)
→
English
nonimpregnated
(prefix)
→
English
preimpregnated
(prefix)
→
English
unimpregnated
(prefix)
→
English
coimpregnated
(prefix)
→
English
papreg
(mention)