Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
trosc
←
Proto-Germanic
*þurskaz
(derived)
←
Middle Irish
trosc
(inherited)
←
Old Norse
þorskr
(derived)
→
Faroese
toskur
(cognate)
→
Icelandic
þorskur
(link)