Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
kithe
←
Old English
cȳþan
(derived)
←
Middle English
kiþen
(inherited)
←
Middle English
kuthen
(mention)
←
Middle English
kithen
(mention)
←
Proto-Germanic
*kunþijaną
(derived)
←
Proto-West Germanic
*kunþijan
(derived)
←
Proto-Indo-European
*ǵneh₃-
(root)
→
English
unked
(mention)
→
German
künden
(cognate)
→
Icelandic
kynna
(cognate)