Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
kal
←
German
kalt
(cognate)
←
English
cold
(cognate)
←
West Frisian
kâld
(cognate)
←
Old High German
(inherited)
←
Old High German
kalt
(mention)
←
Icelandic
kaldur
(cognate)
←
Dutch
koud
(cognate)
→
Luxembourgish
kill
(link)
→
Luxembourgish
äiskal
(compound)
→
Luxembourgish
Keelt
(suffix)