Alliteration

Alliteration is the repetition of consonant sounds at the beginning of words. It often highlights the expression of movement.

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• Football fever Fuels fans.
• Rampant rooney crushes Croatia.

Assonance

Assonance is the repetition of ***vowel sounds.

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• The eccentric Esther enthused her listeners.

Short vowel sounds may create a mood of speed, vitality, joy or suspense.

• Clap your hands and stamp your feet!

Long vowel sounds slow down the pace and temper the mood.

• Girls in curls swirled around the stage.
• He slowly mowed the overgrown lawn.

Onomatopoeia

Onomatopoeia uses words that imitate and reproduce real-life sounds and actions. The sound effect heightens the visual effect.

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• The sky exploded with a crash, bang and a hissing of fireworks.
  The tranquillity of the scene was enhanced by the rustling of the reeds and the whistling of the wind.
  
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Rhyme

Rhyme depends on sound, rather than on the written word. It is used for effect.

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• I am certain that this curtain
  Was damaged in the rain again.

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• You will not laugh
  If you only get half!

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Source: EBH Joubert: English Grammar

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