ohmic resistance vs resistivity

ohmic resistance and resistivity both are nouns.

Word	Noun	Adjective	Verb	Adverb
ohmic resistance	Yes	No	No	No
resistivity	Yes	No	No	No

As nouns, ohmic resistance and resistivity are synonyms defined as:

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

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

ohmic resistance (noun)	resistivity (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