OPP is an acronym that stands for "opportunity." When looking for words that can be used synonymously with OPP, some commonly used terms could include "chance," "opening," or "prospect." Alternatives could also include "avenue," "possibility," and "option." When discussing potential business ventures or career opportunities, some may use the term "career path" or "professional path" instead of using OPP. Other specific word choices may depend on the context and industry in question, but these synonyms can be a starting point for expanding one's vocabulary and better expressing themselves when discussing opportunities.