| adverbial | Convert numbers to adverbial character vectors (once, twice, three times) |
| cardinal | Convert numbers to cardinal character vectors (one, two, three) |
| collective | Convert numbers to collective character vectors (the, both, all three) |
| denominator | Convert numbers to denominator character vectors (whole, half, third) |
| nom_adv | Convert numbers to adverbial character vectors (once, twice, three times) |
| nom_card | Convert numbers to cardinal character vectors (one, two, three) |
| nom_coll | Convert numbers to collective character vectors (the, both, all three) |
| nom_denom | Convert numbers to denominator character vectors (whole, half, third) |
| nom_numer | Convert numbers to numerator character vectors (one, two, three) |
| nom_ord | Convert numbers to ordinal character vectors (first, second, third) |
| nom_ratio | Convert numbers to ratio character vectors (two to one, one in three, five out of ten) |
| nom_times | Convert numbers to adverbial character vectors (once, twice, three times) |
| nom_uncard | Convert cardinal character vectors to numbers |
| numerator | Convert numbers to numerator character vectors (one, two, three) |
| ordinal | Convert numbers to ordinal character vectors (first, second, third) |
| ratio | Convert numbers to ratio character vectors (two to one, one in three, five out of ten) |
| uncardinal | Convert cardinal character vectors to numbers |