Consonance

Consonance is the repetition of similar ending consonant sounds of several words. Writers use this technique to highlight elements of their writing and to make their writing musical.

Humming and Hammering at your ear
The city hymning sound

And all is seared with trade;
bleared, smeared with toil.

Onomatopoeia

Onomatopoeia is the careful selection and use of words which sound similar to the objects or the events they name.

The drip, drip, drip of the water droplets caused George to nod off to sleep.

The snow went kur-splat as it landed on the pavement.