electrical resistance vs impedance

electrical resistance and impedance both are nouns.

Word	Noun	Adjective	Verb	Adverb
electrical resistance	Yes	No	No	No
impedance	Yes	No	No	No

As nouns, electrical resistance and impedance are synonyms defined as:

electrical resistance and impedance: a material's opposition to the flow of electric current; measured in ohms

Other synonyms of electrical resistance include electric resistance, ohmic resistance, resistance, resistivity.

electrical resistance (noun)	impedance (noun)
a material's opposition to the flow of electric current; measured in ohms	a material's opposition to the flow of electric current; measured in ohms