concern

noun1 of 2

feeling of worry or anxiety

• “Many of the most concerning variants share the same mutations.”Tatoeba
• “News of her death caused great concern throughout the country.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.