"Cacher" is pronounced wrong
Whoever recorded "cacher" is pronouncing it with an audible R on the end, as if it were spelled "cacherre." It should properly be pronounced "ca-shay."
Can this be corrected?
Check both the slow and fast versions. The male duobot tends to overpronounce more often.
Most likely, there will always be issues with words that have two different pronounciations: cacher can either be the adjective kosher or the verb to hide. In the first case, the R is indeed pronounced...