Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Untergang
←
German
unter
(prefix)
←
German
Gang
(prefix)
←
Hunsrik
Unnergang
(cognate)
←
Luxembourgish
Ënnergang
(cognate)
←
German Low German
Ünnergang
(cognate)
→
German
Weltuntergang
(compound)
→
German
Sonnenuntergang
(affix)
→
German
Untergangsprophet
(affix)
→
Norwegian Nynorsk
undergang
(cognate)
→
Swedish
undergång
(mention)
→
Yiddish
אונטערגאַנג
(derived)