A sore feeling is a physical or emotional discomfort that can range from mild to severe. The term can be broken down into three crossword solutions: ACHE (4 letters), Achiness (8 letters), and IRE (3 letters). ACHE is a dull, continuous pain that can be localized or widespread. Achiness is a feeling of general discomfort or uneasiness, often accompanied by aches. IRE is a strong emotion such as anger or indignation. All three words describe a sore feeling, but each has its own unique connotation.