Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
tetr
→
English
tetrad
(confix)
→
English
tetraqua
(prefix)
→
English
tetrarsenide
(prefix)
→
English
tetraluminium
(prefix)
→
English
tetralumino
(prefix)
→
English
tetrantimonide
(prefix)