Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
þagna
←
Icelandic
þaga
(link)
←
Icelandic
þegja
(link)
←
Icelandic
þögn
(link)
←
Old Norse
þagna
(derived)