The difference between Shine and Twinkle

When used as nouns, shine means brightness from a source of light, whereas twinkle means a sparkle or glimmer of light.

When used as verbs, shine means to emit light, whereas twinkle means to shine with a flickering light.

check bellow for the other definitions of Shine and Twinkle

Shine as a verb (intransitive):

To emit light.
Shine as a verb (intransitive):

To reflect light.
Shine as a verb (intransitive):

To distinguish oneself; to excel.

Examples:

"My nephew tried other sports before deciding on football, which he shone at right away, quickly becoming the star of his school team."
Shine as a verb (intransitive):

To be effulgent in splendour or beauty.
Shine as a verb (intransitive):

To be eminent, conspicuous, or distinguished; to exhibit brilliant intellectual powers.
Shine as a verb (intransitive):

To be immediately apparent.
Shine as a verb (transitive):

To create light with (a flashlight, lamp, torch, or similar).

Examples:

"I shone my light into the darkness to see what was making the noise."
Shine as a verb (transitive):

To cause to shine, as a light.
Shine as a verb (US, transitive):

To make bright; to cause to shine by reflected light.

Examples:

"in hunting, to shine the eyes of a deer at night by throwing a light on them"

"rfquotek Bartlett"

Shine as a noun:

Brightness from a source of light.
Shine as a noun:

Brightness from reflected light.
Shine as a noun:

Excellence in quality or appearance.
Shine as a noun:

Shoeshine.
Shine as a noun:

Sunshine.
Shine as a noun (slang):

Moonshine.
Shine as a noun (cricket):

The amount of shininess on a cricket ball, or on each side of the ball.
Shine as a noun (slang):

A liking for a person; a fancy.

Examples:

"She's certainly taken a shine to you."
Shine as a noun (archaic, slang):

A caper; an antic; a row.

Shine as a verb (transitive):

To cause (something) to shine; put a shine on (something); polish (something).

Examples:

"He shined my shoes until they were polished smooth and gleaming."
Shine as a verb (transitive, cricket):

To polish a cricket ball using saliva and one's clothing.

Twinkle as a verb (of a source of light):

to shine with a flickering light; to glimmer

Examples:

"We could see the lights of the village twinkling in the distance."
Twinkle as a verb (chiefly, of eyes):

to be bright with delight

Examples:

"His shrewd little eyes twinkled roguishly."
Twinkle as a verb:

to bat, blink or wink the eyes
Twinkle as a verb:

to flit to and fro

Twinkle as a noun:

a sparkle or glimmer of light
Twinkle as a noun:

a sparkle of delight in the eyes.

Examples:

"He was a rotund, jolly man with a twinkle in his eye."
Twinkle as a noun:

a flitting movement
Twinkle as a noun (colloquial):

A brief moment; a twinkling.