Possible Clues:

• Resemblance in the sounds of words
• Starts like your boy with his cane all the same, by the sound of it
• Resemblance of sounds
• Vowel rhyming in successive words — a son's acne (anag)
• Inversely it may sound all right, but it's silly to get on with a broken cane
• Oaf formerly adopting an Owenesque poetic device
• Alternative to rhyme
• Fool once taking in a small number with sound correspondence
• Resemblance of sound (in nearby words)
• Relative of alliteration