orthogonal vs unrelated

orthogonal and unrelated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
orthogonal	No	Yes	No	No
unrelated	No	Yes	No	No

orthogonal (adjective)	unrelated (adjective)
not pertinent to the matter under consideration	not connected by kinship
having a set of mutually perpendicular axes; meeting at right angles	lacking a logical or causal relation
statistically unrelated