What's the difference between fistic and fustic?

Fistic

Definition:

(a.) Pertaining to boxing, or to encounters with the fists; puglistic; as, fistic exploits; fistic heroes.

Example Sentences:

(1) Lebedev did observe one diktat of the fistic arts: be first ... and second, if you can.
(2) Lebedev did observe one diktat of the fistic arts: be first … and second, if you can.
(3) Mayweather, even at 38, is a fistic surgeon and the finest prizefighter on the planet.
(4) Theologically, "The Ghost" was on solid ground; fistically, agnostics were in the majority.

Definition:

(n.) The wood of the Maclura tinctoria, a tree growing in the West Indies, used in dyeing yellow; -- called also old fustic.

Example Sentences: