Ollison's rhymes with:
allison's, addison's, allison's, denison's, edison's, edisons, gilkisons, harrison's, hutchison's, morrison's
Ollison's sounds like:
olajuwon's, oleaginous, olejniczak, olejnik, olsen's, olshansky, olshansky's, olson's
allison's, addison's, allison's, denison's, edison's, edisons, gilkisons, harrison's, hutchison's, morrison's
olajuwon's, oleaginous, olejniczak, olejnik, olsen's, olshansky, olshansky's, olson's