eruption

As a noun eruption

is eruption.

As an adjective undefined is

lacking a definition or value.

As a noun eruption

is eruption.

As a verb expel is

to eject or erupt.

As nouns the difference between erosion and eruption

is that erosion is erosion while eruption is eruption.

As nouns the difference between papule and eruption

is that papule is a small, inflammatory, irritated spot on skin; similar in appearance to a pimple, without containing pus while eruption is eruption.

As nouns the difference between spectrum and eruption

is that spectrum is specter, apparition while eruption is eruption.

As nouns the difference between eruption and division

is that eruption is eruption while division is division.

As nouns the difference between eruption and awesome

is that eruption is eruption while awesome is the quality, state, or essence of being or cool; awesomeness.

As an adjective awesome is

causing awe or terror; inspiring wonder or excitement.

As a verb explode

is to destroy with an explosion.

As a noun eruption is

eruption.

As nouns the difference between eruption and corruption

is that eruption is eruption while corruption is the act of corrupting or of impairing integrity, virtue, or moral principle; the state of being corrupted or debased; loss of purity or integrity; depravity; wickedness; impurity; bribery.

As nouns the difference between upheaval and eruption

is that upheaval is the process of being heaved upward, especially the raising of part of the earth's crust while eruption is eruption.