Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Vietnamese chớp
Proto-Vietic *k-ɟəːp (inherited)
Proto-Vietic *k-cəːp (mention)

Vietnamese sấm (link)
Vietnamese chớp nhoáng (compound)
Vietnamese chớp mắt (compound)