analysis vs oral

analysis and oral both are nouns.

Word	Noun	Adjective	Verb	Adverb
analysis	Yes	No	No	No
oral	Yes	Yes	No	No

analysis (noun)	oral (noun)
an investigation of the component parts of a whole and their relations in making up the whole	an examination conducted by spoken communication
a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud
the abstract separation of a whole into its constituent parts in order to study the parts and their relations
a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation
a form of literary criticism in which the structure of a piece of writing is analyzed
the use of closed-class words instead of inflections: e.g., `the father of the bride' instead of `the bride's father'

analysis (adjective)	oral (adjective)
	of or involving the mouth or mouth region or the surface on which the mouth is located
	a stage in psychosexual development when the child's interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression
	of or relating to or affecting or for use in the mouth
	using speech rather than writing