corrosion

As a letter s

is the letter s with a.

As a noun corrosion is

corrosion.

As nouns the difference between corrosion and causticity

is that corrosion is corrosion while causticity is the quality of being physically caustic; burning, corrosive.

As nouns the difference between corrosion and scaling

is that corrosion is corrosion while scaling is the removing of the scales of fish.

As a verb scaling is

.

As an adjective rusty

is affected by rust.

As a noun corrosion is

corrosion.

As nouns the difference between corrosion and process

is that corrosion is corrosion while process is a series of events to produce a result, especially as contrasted to product.

As a verb process is

to perform a particular process or process can be (mostly british) to walk in a procession.

As nouns the difference between corrosion and decomposition

is that corrosion is corrosion while decomposition is decomposition.

As a noun corrosion

is corrosion.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between stain and corrosion

is that stain is while corrosion is corrosion.