Wonnacott rhymes with:
callicott, crescott, ellicott, epcot, penobscot, prescott, racicot, walcot, walcott, wescott, woollcott
Wonnacott sounds like:
wainscott, wimsatt, winced, wingate, winged, winget, wingett, winked, winningest, winquist, winsett, winstead