Deadly?

Can you guess the rest of the 6-letter word this came from? (You don’t need an advanced degree.) A few clues: 1. It’s ironic. 2. Using letters from the full word on this sign, without changing their order or reading from right to left, it’s possible to find at least six additional, distinct, English words in it. 3. Consider where I found this.

Eureka, Nevada, USA, 2021.