Disorder
Part of speech: noun
Definition: Absence of order; state of not being arranged in an orderly manner. A disturbance of civic peace or of public order. A physical or psychical malfunction.
Example sentence: It seems everyone wants to know if I have an eating disorder, and playing an anorexic character on 'Make it or Break It' probably didn't help much. To set the record straight, I certainly do not have an eating disorder. I think as anyone can gather, I love food, and it is not just a front to cover up the fact that I don't eat any.
Trouble
Part of speech: noun
Definition: A distressful or dangerous situation.A difficulty contributing to such a situationEfforts taken.A malfunction, as in "heart trouble".A violent occurrence.
Part of speech: verb
Definition: To bother; to annoy.
Example sentence: Do not be anxious about tomorrow, for tomorrow will be anxious for itself. Let the day's own trouble be sufficient for the day.