maypossibly
Maypossibly is a nonstandard string that appears to be the concatenation of the English modal auxiliary may and the adverb possibly. In contemporary English, the conventional way to express tentative probability is the two-word phrase may possibly, or, less commonly, possibly may. The single-word form maypossibly is not recognized as a standard lexical item in major dictionaries and is rarely used by careful writers. When encountered, it is typically the result of a typographical error, data-entry artifact, or automated text generation.
If seen, maypossibly should almost always be read as two words: may possibly. The arrangement may possibly
Most editors and style guides treat may possibly as the preferred form for expressing uncertain likelihood.
The plan may possibly succeed, though it faces several obstacles.
In formal reporting, one would typically write: It may be possible that the plan will succeed.