rust

As verbs the difference between rust and crust

is that rust is to grow while crust is to cover with a crust.

As a noun crust is

a more solid, dense or hard layer on a surface or boundary.

In intransitive terms the difference between rust and lust

is that rust is to be affected with the parasitic fungus called rust while lust is to crave sexual contact urgently.

As verbs the difference between rust and trust

is that rust is to grow while trust is to place confidence in; to rely on, to confide, or repose faith, in.

As a noun trust is

confidence in or reliance on some person or quality.

As an adjective trust is

(obsolete) secure, safe.

As a verb rust

is to grow.

As a noun ruse is

.

In transitive terms the difference between must and rust

is that must is to make musty while rust is to cause to oxidize.

In intransitive terms the difference between must and rust

is that must is to become musty while rust is to be affected with the parasitic fungus called rust.

As verbs the difference between must and rust

is that must is to do with certainty; indicates that the speaker is certain that the subject will have executed the predicaterust is to oxidize, especially of iron or steel.

As nouns the difference between must and rust

is that must is something that is mandatory or required while rust is the deteriorated state of iron or steel as a result of moisture and oxidation.

In transitive terms the difference between dust and rust

is that dust is to spray or cover something with fine powder or liquid while rust is to cause to oxidize.

In intransitive terms the difference between dust and rust

is that dust is of a bird, to cover itself in sand or dry, dusty earth while rust is to be affected with the parasitic fungus called rust.

As verbs the difference between bust and rust

is that bust is while rust is to grow.

In intransitive terms the difference between rust and rot

is that rust is to be affected with the parasitic fungus called rust while rot is to deteriorate in any way.

In transitive terms the difference between rust and rot

is that rust is to cause to oxidize while rot is to expose, as flax, to a process of maceration, etc., for the purpose of separating the fiber; to ret.