同義語・類似語

business, care, fear, headache, interest, occupy, pertain, refer, relate, touch, vexation, worry, ,

関連語

affair, affect, affected, affecting, agency, anxiety, applied, apply, burden, center, enterprise, firm, hold, involve, involvement, load, manufacturer, matter, onus, part, regard, sympathy, tenderness, thing, ,

反意語

unconcern, ,