“I would anoint her concernment with fragrant chamomile oil to help alleviate her anxiety.”
“Her ability to accurately assess the concernment of different data points in the research made her a valuable asset to the team.”
“I had no concernment for their trivial gossip as I was focused on more important matters.”
concern
That which affects one’s welfare or happiness. A matter of interest to someone. The adposition before the matter of interest is usually over, about or for.