The term 'causing a dull and steady pain' can be described by four words: ACHY, ACHE, ACHING, and ACHED, each with 4, 4, 6, and 5 letters respectively. ACHY is an adjective that describes a feeling of discomfort or pain, while ACHE is a verb meaning to experience a dull, continuous pain. ACHING is a present participle of the verb ACHE, and ACHED is the past tense of the same verb. All of these words refer to a dull, steady pain that is caused by something.