prouver    prove    kwāgiriza, kwerekana, guhinyuza, kujījūra
(that a drink is not poisoned) kurogoza
(to one that he's wrong) kujīnjibura
(a prove) icemezo
En-En dictionary 
prouver    substantiate    (enforce what one has said, to drive it home) kuryōherereza
En-En dictionary 


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