How to identify a recurring devise sound in a poem?

Types of Sound Devices

Alliteration - repetition of initial consonant sounds: Porky Pig ate a platter of pot roast.

Rhyme - repetition of final sounds in two or more words: wild, mild, child

Assonance - the repetition of vowel sounds within words: goat, bowl, scold

Consonance - the repetition of sounds within or at the end of words: cutler, antler, battler

Onomatopoeia - the use of words that sound like what they refer to: clop, bang, thud