Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
gon
←
Old English
wendan
(derived(en/enm))
←
Middle English
gon
(cognate)
←
Middle English
gan
(mention)
←
Proto-Germanic
*wandijaną
(derived(en/enm))
←
Ancient Greek
γωνία
(derived)
←
Dutch
gaan
(cognate)
→
English
hexagon
(confix)
→
English
octagon
(confix)
→
English
pentagon
(confix)
→
English
heptagon
(confix)
→
English
nonagon
(confix)
→
English
enneagon
(confix)
→
English
decagon
(confix)
→
English
undecagon
(confix)
→
English
dodecagon
(confix)
→
English
quindecagon
(confix)
→
English
tetragon
(confix)
→
English
trigon
(confix)
→
English
isogon
(confix)
→
English
orthogon
(confix)
→
English
chiliagon
(confix)
→
English
hectagon
(confix)
→
English
hectogon
(confix)
→
English
heptadecagon
(confix)
→
English
icosagon
(confix)
→
English
myriagon
(confix)
→
English
pentadecagon
(confix)
→
English
icosihenagon
(suffix)
→
English
50-gon
(suffix)
→
English
monogon
(confix)
→
English
digon
(confix)
→
English
duodecagon
(confix)
→
English
tridecagon
(confix)
→
English
triskaidecagon
(confix)
→
English
tetradecagon
(confix)
→
English
tetrakaidecagon
(confix)
→
English
apeirogon
(confix)
→
English
zerogon
(suffix)
→
English
megagon
(confix)
→
English
bigon
(confix)
→
English
fourgon
(suffix)
→
English
oxygon
(confix)
→
English
gonarcus
(prefix)
→
English
googolgon
(suffix)
→
English
octadecagon
(confix)
→
English
infinigon
(suffix)