Difference between Vanish and Go Away

VANISH vs GO AWAY: NOUN

The brief terminal part of a vowel or vocal element, differing more or less in quality from the main part.
In phonetics, a sound with which another principal sound vanishes or ends, as the ē-sound of ā (the i in ei as pronounced in veil), or the ö-sound of ō (the u in ou as pronounced in soul).

To pass from a visible to an invisible state; to go out of sight; to disappear; to fade.
To be annihilated or lost; to pass away.
To pass out of sight, especially quickly; disappear. : disappear.
To pass out of existence.
To become zero. Used of a function or variable.

In mathematics, to become zero.
To disappear quickly; pass from a visible to an invisible state; become imperceptible.
To pass out of view; pass beyond the limit of vision; disappear gradually; fade away.
To pass away; be annihilated or lost; be no more.
To rise or be given off, as breath; exhale.

Dwindle, Reappear, Scarce, Begone, Eliminate, Subside, Erase, Dissipate, Fade, Disappearing, Evaporate, Go away, Fell, Fly, Disappear

Quit, Scoot, Shoo, Retire, Out, Scram, Part, Leaving, Scat, Depart, Disappear, Vanish, Leave, Go, Go forth

Recede, Disintegrate, Shrivel, Scarce, Begone, Eliminate, Erase, Dissipate, Fade, Disappearing, Evaporate, Go away, Fell, Fly, Disappear

Begone, Pass, Shoo, Scoot, Remove, Quit, Retire, Out, Part, Leaving, Scat, Depart, Disappear, Vanish, Leave

Plus corpses usually just vanish into thin air.
Linear trail of lights vanish into night sky.
Pores appear to vanish and clarity is restored.
Any objection to the document would then vanish.
When tightened, most of those violations would vanish.
Clearly any vanish or oil will darken it.
Alas that Spring should vanish with the Rose.
This implies that the structure constants vanish and thus the quadratic coefficients in the f expansion vanish as well.
For Christianity to vanish, truth would have to vanish.
Andrew Jackson warning that Native Americans would vanish, and then stating that they did in fact vanish.

The stiffness will go away in time just like a scar on the skin from surgery goes away with time.
SAM: Tell them to go away and go somewhere else, and have more land.
Although the symptoms of an acute asthma attack go away after appropriate treatment, asthma itself never goes away.
Most of these symptoms go away once you go out into fresh air.
The fogginess and random electrical shocks go away when I am away from this house.
Beeause time Hies away, hut memories never go away.
Hodite proc, go away, walk away go evej, uok evej.
Make me go away, and your stooges in the LTD make the whole investigation go away.
Auto Nations just sits there waiting for their problem to go away as they just want me to get my car and go away!
Acne will slowly go away without treatment, but sometimes when some starts to go away, more appears.