chemistry vs dissociation

chemistry and dissociation both are nouns.

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

chemistry (noun)	dissociation (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 removing from association
the way two individuals relate to each other	(chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions
the chemical composition and properties of a substance or object	a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently