Hi, Bev -- I think the two Williams, one bp. 1749 at Bradford Abbas (a son of Jonas & Luce Pavot/Pavitt) and yours bp. 1799 at Nether Compton (a son of Joseph & Grace Paverd/Pavord), are part of how the Pavords and Pavitts begin to seem interchangeable, but they are best regarded as distinct lines. Your William is bp. as a Pavord, but when married to Elizabeth Hellyar at Bradford Abbas in 1820, he is suddenly recorded as a Pavitt (likely because whoever recorded the marriage was used to recording Pavitts!). However, as noted in my earlier post, a couple of us working on these lines have yet to find a clear common forebear. It has been frustrating since the two families come so close to one another in that Bradford Abbas marriage record, and as you note, in William & Elizabeth's residence there -- raising children (generally bp. as "Paverd") practically alongside the children of my 3rd GG Ann (Childs) Pavitt & husband John -- and in later records showing Pavords in Stoford -- practically next door.
If anyone has (or can find) an original source(s) -- a clear record -- that connects the two lines, that would be great and very helpful. For the present, the Paffords in Canada and my family in the U.S. continue to hope for more DNA data that may at least give us an accurate picture of our respective ancestry in either clan!
If we could get Y-DNA data both from a male direct descendant of John Pavitt of Bradford Abbas, _and_ from a male direct descendant of Joseph Pavord of Nether Compton, that would be fantastic as it could not only address the Paffords' and my questions, but should also tell us whether the Bradford Abbas Pavitts and the Nether Compton (and Stoford) Pavords are at all closely related, or very distantly... or (possibly) not at all.