| inquest(noun, study, disquisition, delving, examen) |
| inquiry(noun, study, disquisition, delving, examen) |
| inquisition(noun, study, disquisition, delving, examen) |
| inspection(noun, study, disquisition, delving, examen) |
| interrogation(noun, study, disquisition, delving, examen) |
| investigation(noun, study, disquisition, delving, examen) |
| main(noun, form, study, science, field) |
| nothingness(noun, deep, gulf, chasm, abyss) |
| ocean(noun, form, study, science, field) |
| pit(noun, deep, gulf, chasm, abyss) |
| poll(noun, study, disquisition, delving, examen) |
| probation(noun, study, disquisition, delving, examen) |
| probe(noun, study, disquisition, delving, examen) |
| probing(noun, study, disquisition, delving, examen) |
| query(noun, study, disquisition, delving, examen) |
| quest(noun, study, disquisition, delving, examen) |
| question(noun, study, disquisition, delving, examen) |
| questionary(noun, study, disquisition, delving, examen) |
| questionnaire(noun, study, disquisition, delving, examen) |
| quiz(noun, study, disquisition, delving, examen) |