Pizza is an interesting word.
There are not many words that rhyme with it, and I've yet to come up with one that isn't a proper noun.
One such word, Srebrenica is the four syllable name of a town/municipality in eastern Bosnia and Herzegovina. This word brings to mind the terrible genocide that took place during the Bosnian War in 1995. The "Srebrenica Massacre", as it is now known, resulted in the deaths of 8,000 Bosniak men and the ethnic cleansing of 25,000-30,000 refugees in the area at the hands of the Army of the Republika Srpska (Bosnian Serb Army) and a paramilitary group from Serbia know as the Scorpions...
(If you are interested in this or any other murderous topics, you can check with your local library.)
Ibiza, on the other hand, brings to mind a desire to purchase stock in a local glowstick manufacturer and blast Vengaboys while holding a daiquiri in the air of a room filled with foam and scantily clad co-eds.