Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
langur
←
Proto-Germanic
*langaz
(derived)
←
Proto-Indo-European
*dl̥h₁gʰós
(derived)
←
Old Norse
langr
(derived)
→
English
long
(cognate)
→
Alemannic German
lang
(cognate)
→
Icelandic
langreyður
(affix)
→
Icelandic
langhlið
(compound)
→
Icelandic
eiga sér langan aðdraganda
(mention)
→
Icelandic
jafnlangur
(prefix)
→
Icelandic
langnykra
(affix)
→
Luxembourgish
laang
(cognate)