What is an example of assonance in the prologue to Romeo and Juliet?i really need help with this! its due tomorrow!

Assonance is when you have similar vowel sounds occurring
in a number of words.  So it is sort of like rhyming, except it does not generally come
at the end of a word.

I think you can see examples of
assonance right at the start of the Prologue.  For example, Shakespeare
writes

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Two households, both alike in
dignity,

To me, the
"o" sound in "holds" is the same as the one in "both."  I also think that the "i" sound
in "in" is the same as the second one in "dignity."  So, to me, both of those are
examples of assonance.