Memorizing rhymes with:
mesmerizing, summarizing, authorizing, categorizing, characterizing, circularizing, colorizing, computerizing, demilitarizing, depressurizing, mesmerizing, mischaracterizing, pasteurizing, polarizing, popularizing, pressurizing, reauthorizing, satirizing, summarizing, temporizing, terrorizing, theorizing
Memorizing sounds like:
mannerisms, marchenko, marching, marchinko, marchioness, marcinek, marciniak, marcinko, marcinkowski, marcinkus, margining, margins, markham's, marking, markings, markunas, merging, morgan's, morgans, moroccans, morricone's, morrison's, mrozinski