There is very little said about the Clerk. This gives an excellent picture of the Wife of Bath.
I would suggest that you pick one idea that they have in common and show how they are in common.
Thank you for using the Jiskha Homework Help Forum. In addition to the excellent help you have already received, here are some other things you might enjoy:
1. (a "tour"): http://www.canterburytales.org/
2. (lovely art work): http://www.unc.edu/depts/chaucer/zatta/Zatta_Index.html
3. (Cliff's Notes): http://www.cliffsnotes.com/WileyCDA/LitNote/id-52.html