Synonyms of prober

2 Syllables
chemist, checker, quester, questers, quizzers, assayer, quizzer, assayers, querier, scientist
3 Syllables
physicist, inquirer, questioner, researcher, analyst, inquirers, auditor, quizmaster, questioners
4 Syllables
inquisitor, examiners, examiner, inquisitors, scrutinizer
5 Syllables
interrogators, investigator, interrogator