Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
haligdæg
←
Old English
hāliġ
(compound)
←
Old English
dæġ
(compound)
←
West Frisian
hjeldei
(cognate)
←
Proto-Germanic
*hailagadagaz
(inherited)
←
Icelandic
helgidagur
(cognate)
←
Swedish
helgdag
(cognate)