Whatsoever
From BiblePortal Wikipedia
King James Dictionary [1]
Whatsoever a compound of what, so, and ever, has the sense of whatever, and is less used than the latter. Indeed it is nearly obsolete. Whatso, in a like sense, is entirely obsolete.
Vine's Expository Dictionary of NT Words [2]
Matthew 10:11 Matthew 17:12 Luke 10:35
Webster's Dictionary [3]
(pron. & a.) Whatever.