rust vs corrosion

corrosion vs rust

rust and corrosion both are nouns.

rust is an adjective but corrosion is not an adjective.

rust is a verb but corrosion is not a verb.

Word	Noun	Adjective	Verb	Adverb
rust	Yes	Yes	Yes	No
corrosion	Yes	No	No	No

As nouns, corrosion is a hypernym of rust; that is, corrosion is a word with a broader meaning than rust:

rust: the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
corrosion: erosion by chemical action

Other hypernyms of rust include corroding, erosion, oxidation, oxidisation, oxidization.

rust (noun)	corrosion (noun)
A strong reddish brown color.	erosion by chemical action
any of various fungi causing rust disease in plants	a state of deterioration in metals caused by oxidation or chemical action
the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

rust (adjective)	corrosion (adjective)
of the brown color of rust

rust (verb)	corrosion (verb)
become destroyed by water, air, or a corrosive such as an acid
cause to deteriorate due to the action of water, air, or an acid
become coated with oxide

Difference between rust and corrosion

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