You don't, it is four separate letters aRe, eSs, Vee, Pee.
It is an abbreviation not an acronym.
The antonym for mispronounce is pronounce correctly.
To pronounce "ooh" correctly, say the sound "oo" as in "moon" and hold it for a slightly longer duration.
To pronounce chords correctly, say the names of the notes in the chord simultaneously, with each note sounding at the same time.
no
Ah .
BUTT-un
fo-door
The same reason it's important to to pronounce english words correctly. So that people can understand you.
From laban.org: To correctly pronounce Laban, stress the first syllable as in 'carbon'.
RSVP is a French phrase Repondez s'il vous plait, meaning ' please reply ' RSVP to.......
The Check Republic
It's nAH-tAh