Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
sveppur
←
Proto-Germanic
*swammaz
(inherited)
←
Old Norse
svǫppr
(inherited)
←
Old Norse
soppr
(mention)
→
English
swamp
(mention)
→
Faroese
soppur
(cognate)
→
Faroese
svøppur
(cognate)
→
Icelandic
sveppafræði
(suffix)