Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
stöðugur
←
Danish
stadig
(cognate)
←
Faroese
støðugur
(cognate)
←
Icelandic
staður
(mention)
←
Norwegian
stadig
(cognate)
←
Old Norse
stǫðugr
(inherited)
→
English
steady
(cognate)
→
Icelandic
óstöðugur
(affix)