Single acronym, yet with different meanings and applications.
It may stand for intellectual property ownership. It may also stand for the Instituto Portugues de Oncologia or the Portuguese Oncology Institute which is situated at the University of Porto in Portugal. It may probably refer to the Israel Philharmonic Orchestra which is one of the leading symphonic orchestra in Israel and one of the best-performing orchestra around the world.
However, when you are talking about the IPO in the world of finance, it only spells three distinctive words.
Initial public offering.