sunburst

As nouns the difference between starburst and sunburst

is that starburst is a violent explosion, or the pattern (likened to the shape of a star) supposed to be made by such an explosion while sunburst is a figure or shape showing rays radiating from a central point.

As a verb starburst

is (astronomy|of a region of space) to experience an unusually high rate of star formation.

As nouns the difference between sunray and sunburst

is that sunray is a beam of sunlight; a sunbeam while sunburst is a figure or shape showing rays radiating from a central point.

As an adjective unburst

is not having burst.

As a noun sunburst is

a figure or shape showing rays radiating from a central point.

As a noun sunburst

is a figure or shape showing rays radiating from a central point.

As an adjective sunburnt is

having a sunburn; having been burned by the sun's rays.