After one practice he was hired, being dubbed "Pork" as a suitable substitute for his real name.

A suitable substitute has yet to be found.

And I doubt a suitable substitute could be found on such short notice.

I would suggest you talk to the pharmacist in your area, who can help you find a suitable substitute.

Despite some efforts, no suitable substitutes with the stability and low cost of gelatin have been found.

The school year ends then and there will be plenty of teachers looking for the place, but just now I cannot get a suitable substitute.

Others are unconvinced that the new drugs will be suitable substitutes - or even necessary.

There is no better or more suitable substitute in that case, and that must be the test.

We must therefore begin by doing our best to find suitable substitutes.

I agree with Members that credit unions are a suitable substitute.