Openshaw rhymes with:
cranshaw, crenshaw, earnshaw, hanshaw, henshaw, hinshaw, renshaw, bagshaw, belshaw, bradshaw, capshaw, cranshaw, crawshaw, crenshaw, dishaw, earnshaw, grimshaw, hanshaw, harshaw, henshaw, herringshaw, hinshaw, redshaw, renshaw, robishaw, scrimshaw, upshaw, warshaw
Openshaw sounds like:
obeying, obnoxious, offense, offenses, offing, opening, openings, openness, opens, opines, opining, opinions, oppens, ovens, ovonic