Commemorates rhymes with:
enumerates, accelerates, adulterates, aspirates, cooperates, corroborates, deliberates, deteriorates, elaborates, enumerates, evaporates, exaggerates, exonerates, generates, incarcerates, incorporates, obliterates, operates, perforates, proliferates, recuperates, reverberates, separates, tolerates, venerates
Commemorates sounds like:
comrades, conrad's, conrades, conrads, cuisinarts