The term 'ACHES (FOR)' can be broken down into four crossword solutions: PINES (5 letters), YEARNS (6 letters), LONGS (5 letters), and YENS (4 letters). PINES is a verb meaning to feel or express a longing or yearning for something. YEARNS is a verb meaning to have an intense feeling of longing for something. LONGS is a verb meaning to have a strong desire or craving for something. YENS is a verb meaning to have a strong desire or craving for something. All four words are related to the concept of having a strong desire or longing for something, which is what the term 'ACHES (FOR)' implies.