derange vs perturb

derange and perturb both are verbs.

Word	Noun	Adjective	Verb	Adverb
derange	No	No	Yes	No
perturb	No	No	Yes	No

As verbs, derange and perturb are synonyms defined as:

Other synonyms of derange include throw out of kilter.

derange (verb)	perturb (verb)
throw into great confusion or disorder	throw into great confusion or disorder
derange mentally, throw out of mental balance; make insane	disturb in mind or make uneasy or cause to be worried or alarmed
	cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull
	disturb or interfere with the usual path of an electron or atom