There are numerous synonyms for the word "p-q," and they all have unique meanings and usages. Some of the most commonly used synonyms for "p-q" include words like "perplexing," "puzzling," "questionable," "quandary," "qualm," and "query." Each of these synonyms refers to a state of uncertainty or confusion, and they can be used in a wide variety of contexts, from describing a difficult problem to expressing doubts or reservations about a certain situation. No matter which synonym you choose, always remember that each word has its own nuances and subtleties, so choose the one that best fits the context in which you are using it.