| A | B |
| ūnus, -a, -um | one |
| prīmus, -a, -um | first |
| duo, duae, duo | two |
| secundus, -a, -um OR alter, altera, alterum | second |
| trēs, tria | three |
| tertius, -a, -um | third |
| quattuor | four |
| quartus, -a, -um | fourth |
| quinque | five |
| quintus, -a, -um | fifth |
| sex | six |
| sextus, -a, -um | sixth |
| septem | seven |
| septimus, -a, -um | seventh |
| octō | eight |
| octāvus, -a, -um | eighth |
| novem | nine |
| nōnus, -a, -um | ninth |
| decem | ten |
| decimus, -a, -um | tenth |
| undecim | eleven |
| undecimus, -a, -um | eleventh |
| duodēvigintī | eighteen |
| duodēvīcēsimus, -a, -um | eighteenth |
| vīgintī | twenty |
| vīcēsimus, -a, -um | twentieth |
| centum | one hundred |
| centum ūnus, -a, -um | one hundred and one |
| centēsimus, -a, -um | hundredth |
| vīcēsimus, -a, -um prīmus, -a, -um | twenty first |
| centēsimus, -a, -um prīmus, -a, -um | hundred and first |
| mille | one thousand |
| millēsimus, -a, -um | thousandth |
| duo mīlia | two thousand |
| bis millēsimus, -a, -um | two thousandth |
| singulī, -ae, -a | one each |
| bīnī, -ae, -a | two each |
| ternī, -ae, -a | three each |
| quaternī, -ae, -a | four each |
| quīnī, -ae, -a | five each |
| semel | once |
| bis | twice |
| ter | three times |
| quater | four time |
| quinquiēs | five times |
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