The words in question start with wr because they are a subset of the wer- rooted words that do that.

I'm beginning to follow your argument, Faldage. Thank you for adding some details.

Are you saying that all or most of IsIsIs' examples are derived from words that start with "wer"?

The sound of "wer" is the same sound as "whirl" and "whirr", both of which get at the 'twisting' idea that IsIsIs is postulating for words beginning with "wr".

You have just made a very strong case, Faldage, that the "wr" words in IsIsIs' list are originally derived from "wer" words, and the association with 'twisting' which she has postulated is not happenstance, but causal.

I really can't expect you to agree with me under any circumstances, Faldage, but can you agree with IsIsIs, a newcomer, that her postulation of a connection between "wr" words [originally "wer" words] and the idea of 'twisting' or 'turning' is compelling, and deserving of due, albeit reluctant and belated, recognition?