Synopsis vs Subtitles - What's the difference?

As nouns the difference between synopsis and subtitles

is that synopsis is synopsis while subtitles is .

(wikipedia synopsis)

(synopses)

A brief summary of the major points of a written work, either as prose or as a table; an abridgment or condensation of a work.

(Orthodoxy) A prayer book for use by the laity of the church.

* (brief summary): abridgment, abstract, conspectus, outline, overview, summary