Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
genog
←
Proto-Germanic
*ganōgaz
(inherited)
←
Proto-Germanic
*ga-
(mention)
←
Proto-Germanic
*nōgaz
(mention)
←
Old High German
ginuog
(cognate)
←
Proto-Indo-European
*h₂eh₂nóḱe
(inherited)
←
Proto-Indo-European
*h₂neḱ-
(mention)
←
Old Norse
gnógr
(cognate)
←
Old Dutch
ginuog
(cognate)
←
Old Frisian
enōch
(cognate)
←
Old Saxon
ginōg
(cognate)