Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
twintig
←
Middle Dutch
twintich
(inherited)
←
Proto-Germanic
*twai tigiwiz
(derived)
←
Old Dutch
*twēntig
(inherited)
→
English
twenty
(cognate)
→
Afrikaans
twintig
(inherited)
→
German
zwanzig
(cognate)
→
Alemannic German
zwänzg
(cognate)
→
Alemannic German
zwenzig
(cognate)
→
Dutch
achtentwintig
(compound)
→
Pennsylvania German
zwansich
(cognate)
→
Vilamovian
cwencik
(cognate)