Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
clæcleas
←
Old English
clacu
(suffix)
←
Old English
lēas
(suffix)
←
Middle Dutch
clackeloos
(cognate)
←
Dutch
klakkeloos
(cognate)
←
Old Norse
klakklaust
(cognate)
←
Old Frisian
klaklās
(cognate)