Vex
Part of speech: verb
Definition: To annoy. To cause (mental) suffering to; to distress.
Worry
Part of speech: noun
Definition: A strong feeling of anxiety.An instance or cause of such a feeling.
Part of speech: verb
Definition: To seize or shake by the throat, especially of a dog or wolf.To harass; to irritate or distress.Disturb the peace of mind of; afflict with mental agitation or distress.To be troubled, to give way to mental anxiety.To strangle.
Example sentence: Life is difficult for everyone; everyone has bad days. Everyone has trouble in their life, because it doesn't matter how rich you are: Sickness and trouble and worry and love, these things will mess with you at every level of life.