Sinch vs Synch - What's the difference?

As nouns the difference between sinch and synch

is that sinch is alternative form of lang=en (simple saddle girth used in Mexico while synch is {{alternative spelling of |sync|lang=en}.

is that sinch is to gird with a sinch; to tighten the sinch or girth of (a saddle) while synch is {{alternative spelling of |sync|lang=en}.

(es)

(simple saddle girth used in Mexico)

(transitive, US, Western US) To gird with a sinch; to tighten the sinch or girth of (a saddle).

to sinch up a saddle

(Webster 1913)

(wikipedia synch)

(en noun)

(en verb)