Would "Missing so much and so much" be a sibilance?

Yes.

This is better:

She sells sea shells by the sea shore.

Thanks

You're welcome.

To determine whether the phrase "Missing so much and so much" is an example of sibilance, we need to understand what sibilance means.

Sibilance is a literary device that involves the repetition of sibilant consonant sounds, particularly the 's' and 'sh' sounds. It is used to create a hissing or rushing sound, adding emphasis or creating a certain mood in the text.

In the given phrase, "Missing so much and so much," we do not find any repetition of sibilant consonant sounds. The phrase does not contain any 's' or 'sh' sounds that are repeated for effect. Therefore, it is not an example of sibilance.

To determine if a phrase or sentence is an example of sibilance, you should carefully examine the consonant sounds and identify whether there is a repetition of 's' or 'sh' sounds.