Besides firearms, there are words like sabot...
which I recall was derived from the French word sabot meaning shoe... which is pronounced "say-bow"
However I've only heard people call it "say-bot" or "sab-bot" so I conform with "say-bot"
The word is French and pronounced (originally) "sah-bo" and literally means "shoe".
However, the strongest attachment to the word comes from the Netherlands. Dutch workers, afraid of mechanization taking their jobs away took their wooden shoes, called sabot, and threw them into the gears driving the machines. Stopping the machines and damaging the gears. This is the origin of the word sabotage.