It seems that placing the texture in a folder named "item" fixes the issue, as opposed to the "items" folder every other item texture in the resource pack pulls from, including the two sword textures already edited.
Done.
Callum Wyeth
It seems that placing the texture in a folder named "item" fixes the issue, as opposed to the "items" folder every other item texture in the resource pack pulls from, including the two sword textures already edited.