Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vietnamese
xáy
←
Proto-Vietic
*tʃeʔ
(inherited)
←
Proto-Vietic
*tʃeʔ
(cognate)
←
Proto-Vietic
*-r-
(cognate)
←
Vietnamese
xay
(mention)
←
Vietnamese
chày
(mention)