Except they only-sort-of match the text. Like using 'in' instead of login. It all depends on usage. If you're using it next to text, then getting "Login Login"

Except they only-sort-of match the text. Like using 'in' instead of login. It all depends on usage. If you're using it next to text, then getting "Login Login" is annoying. If you're using icons only (which has debatable standards), then yes.