If $\text{BLOCKED}$ is coded as $\text{YOLXPVW}$, then which word corresponds to the code $\text{OZFMXS}$?

The letters are mapped to their exact opposite positions in the English alphabet ($A\leftrightarrow Z$, $B\leftrightarrow Y$, $C\leftrightarrow X$, etc., such that the sum of their numerical positions is $27$):
* $\text{B}(2)\leftrightarrow \text{Y}(25)$
* $\text{L}(12)\leftrightarrow \text{O}(15)$
* $\text{O}(15)\leftrightarrow \text{L}(12)$
* $\text{C}(3)\leftrightarrow \text{X}(24)$
* $\text{K}(11)\leftrightarrow \text{P}(16)$
* $\text{E}(5)\leftrightarrow \text{V}(22)$
* $\text{D}(4)\leftrightarrow \text{W}(23)$

Applying the reverse mapping for the code $\text{OZFMXS}$:

* $\text{O}\leftrightarrow \text{L}$
* $\text{Z}\leftrightarrow \text{A}$
* $\text{F}\leftrightarrow \text{U}$
* $\text{M}\leftrightarrow \text{N}$
* $\text{X}\leftrightarrow \text{C}$
* $\text{S}\leftrightarrow \text{H}$

The deciphered word is $\text{LAUNCH}$.