Words that have the same starting sound show alliteration.  (Did you notice the alliteration in that sentence? S- S- S

Here are some examples:

Sarah Cynthia Sylvia Stout would not take the garbage out
Ten tied turtles on a tuttle-tuttle tree
Four fluffy feathers

Think of some Tongue Twisters and you have Alliteration

Black bug bit a big black bear.
But where is the big black bear
that the big black bug bit?

Peter Piper picked a peck of pickled peppers.
Did Peter Piper pick a peck of pickled peppers?
If Peter Piper Picked a peck of pickled peppers,
Where's the peck of pickled peppers Peter Piper picked?

 

She sells seashells by the seashore.
The shells she sells are surely seashells.
So if she sells shells on the seashore,
I'm sure she sells seashore shells.

 

More Tongue Twisters here!