Eggcorn?

[Arnold M. Zwicky]

On Oct 15, 2005, at 4:27 PM, Wilson Gray wrote:

> "That's Irrevellant."
>
> I formerly used the pronunciation symbolized here, until the error was
> brought to my attention by a friend. However, I have never misspelled
> the word, though that is, of course, irrelevant.

a phonological reshaping, certainly (the basis of which i don't
entirely understand, though "Calvary" > "Cavalry" might be related),
but i don't see any semantic contribution to the reshaping.

not in the database, nor (so far as i can see) has anyone even
suggested it in the Comments section.

arnold