rust

As verbs the difference between blister and rust

is that blister is to cause blisters to form while rust is to grow.

As a noun blister

is a small bubble between the layers of the skin that contains watery or bloody fluid and is caused by friction and pressure, burning, freezing, chemical irritation, disease or infection.

As verbs the difference between entrust and rust

is that entrust is to trust to the care of while rust is to grow.

As a verb rust

is to grow.

As an adjective undefined is

lacking a definition or value.

As a verb rust

is to grow.

As a noun dirt is

animal.

As a verb rust

is to grow.

As an adjective crusty is

pertaining to or having a crust, as, for example, in the case of bread.

As a noun crusty is

(chiefly|british) a tramp or homeless young person with poor cleanliness.

Canker is a related term of rust.

As verbs the difference between canker and rust

is that canker is to affect as a canker; to eat away; to corrode; to consume while rust is to grow.

As a noun canker

is (botany) a plant disease marked by gradual decay.

As a verb rust

is to grow.

As a proper noun white is

.

As a verb rust

is to grow.

As a noun metal is

heavy metal (music).