| Quinquagesima | Quinquagesima |
| Quadragesima | Lent |
| Septuagesima | Septuagesima |
| Quinceanera | quinceañera |
| Quinceañera | quinceañera |
| Quinquillion | nonillion |
| Quinquennium | five-year period lustrum quinquennium |
| Sexagesima | Sexagesima |
| Quintupel | quintuplet |
| quintupel | quintuple |
| Quisquilie | bagatelle |
| Cinquedea | cinquedea |
| sexagesimal | sexagesimal |
| insgesamt | altogether in sum in total overall |
| vigesimal | vigesimal |
| Singhalesin | Sinhalese |
| Quindezillion | novemvigintillion |
| Quinquilliarde | decillion |
| Quintillion | quintillion nonillion |
| Quintin | Quentin |