ferric oxide vs rust

rust vs ferric oxide

ferric oxide and rust both are nouns.

ferric oxide is not an adjective while rust is an adjective.

ferric oxide is not a verb while rust is a verb.

Word	Noun	Adjective	Verb	Adverb
ferric oxide	Yes	No	No	No
rust	Yes	Yes	Yes	No

As nouns, rust is a hyponym of ferric oxide; that is, rust is a word with a more specific, narrower meaning than ferric oxide:

ferric oxide: a red oxide of iron
rust: a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

ferric oxide (noun)	rust (noun)
a red oxide of iron	A strong reddish brown color.
	any of various fungi causing rust disease in plants
	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

ferric oxide (adjective)	rust (adjective)
	of the brown color of rust

ferric oxide (verb)	rust (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 ferric oxide and rust

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