Barclay's rhymes with:
barclays, barclays', barclays, barclays', barclays, barclays', barclays, barclays', berkeley's, blakeley's, blakely's, blankly's, brinkley's, lecli's, oakley's, sophocles, weeklies, weekly's
Barclay's sounds like:
barcellos, barclays, barclays', barclays's, barraclough, berkeley's, birkholz, brazil's, brussels, bruxelles