Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
contaminated
→
English
pure
(link)
→
English
uncontaminated
(affix)
→
English
noncontaminated
(prefix)
→
English
hypercontaminated
(prefix)
→
English
radiocontaminated
(prefix)