The "b" is silent because it's a remnant of the original Old French word "raspberry," which was spelled "framboise." Over time, the pronunciation shifted, but the spelling remained mostly the same, leaving the "b" silent.
The "b" is silent because it's a remnant of the original Old French word "raspberry," which was spelled "framboise." Over time, the pronunciation shifted, but the spelling remained mostly the same, leaving the "b" silent.