vorpal

As an adjective vorpal

is sharp or deadly.

As a noun opal is

a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.

As a proper noun Opal is

{{given name|female|from=English}} from the precious stone, invented in the nineteenth century.

As an adjective vorpal

is sharp or deadly.

As a noun vortal is

(internet) a vertical portal; an online resource acting as an entry point for information for a single specific market or subject.