Clue: In recital, Frost or Pound will do this with sound (5)
Answer: RHYME
Explanation: Definition: Pound will do this with sound
*edit thanks to Shirl in the comments: for the definition, 'Pound' rhymes with 'sound'*
 definition: Ezra Pound used rhyme in [some of] his poetry 
homophone/"In recital' of 'rime'="Frost"