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: At the end of the day, life is too short to worry.
Concern
Part of speech: verb
Definition: To be of importance to.To make somebody worried.
Part of speech: noun
Definition: That which affects one's welfare or happinessThe expression of solicitude, anxiety, or compassion toward a thing or person.A business, firm or enterprise; a company.
Example sentence: When power leads man toward arrogance, poetry reminds him of his limitations. When power narrows the area of man's concern, poetry reminds him of the richness and diversity of existence. When power corrupts, poetry cleanses.