chemistry vs rectification

chemistry and rectification both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemistry	Yes	No	No	No
rectification	Yes	No	No	No

chemistry (noun)	rectification (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	the act of offering an improvement to replace a mistake; setting right
the way two individuals relate to each other	determination of the length of a curve; finding a straight line equal in length to a given curve
the chemical composition and properties of a substance or object	the conversion of alternating current to direct current
	(chemistry) the process of refinement or purification of a substance by distillation