Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
atgar
←
Old English
ætgār
(learned borrowing)
←
English
at
(prefix)
←
English
gar
(prefix)
←
Proto-Germanic
*atgaizaz
(inherited)
←
Proto-West Germanic
*atgaiʀ
(inherited)
←
Old High German
azgēr
(cognate)
←
Old High German
azigēr
(mention)
←
Icelandic
atgeir
(cognate)
←
Old Frisian
etgēr
(cognate)
→
Icelandic
atgeir
(cognate)
→
Old Norse
atgeirr
(cognate)