disorientation vs delusion

disorientation and delusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
disorientation	Yes	No	No	No
delusion	Yes	No	No	No

As nouns, delusion is a hypernym of disorientation; that is, delusion is a word with a broader meaning than disorientation:

disorientation: a wild delusion (especially one induced by a hallucinogenic drug)
delusion: a mistaken or unfounded opinion or idea

Other hypernyms of disorientation include hallucination.

disorientation (noun)	delusion (noun)
a wild delusion (especially one induced by a hallucinogenic drug)	the act of deluding; deception by creating illusory ideas
confusion (usually transient) about where you are and how to proceed; uncertainty as to direction	a mistaken or unfounded opinion or idea
	(psychology) an erroneous belief that is held in the face of evidence to the contrary