Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
buc
←
Proto-Germanic
*būkaz
(inherited)
←
Proto-Germanic
*bukkaz
(inherited)
←
Scots
bowk
(link)
→
English
buck
(inherited)
→
English
buckwagon
(inherited)
→
Old English
bucca
(cognate)
→
Old English
bucc
(alter)
→
Old High German
boc
(cognate)