Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
þjónusta
←
Proto-Germanic
*þewanōstaz
(inherited)
←
Old Norse
þjónusta
(inherited)
←
Old Norse
þjónasta
(mention)
→
Luxembourgish
Déngscht
(cognate)
→
Norwegian Nynorsk
tenest
(cognate)