Base difficulty: Level 162 edit
Level distribution for noun (quantitative_concept): 20: 1 162: 24 276: 25 380: 25 390: 1 456: 1 1000: 1 1050: 2 1070: 2 1080: 10 1090: 1 1110: 1 1202: 2 1203: 1 1204: 2 1206: 1 1210: 2 1211: 1 1213: 7 1218: 1 1225: 2 1226: 1
No difficulty overrides set. The base difficulty level will be used for all languages.
Add Difficulty Override
python -m storage.admin --calc-ranks to populate)
Tier Signals
| Source | Tier | Rank used |
|---|---|---|
basic_english |
Basic (1 of 2) | 600 |
cefr |
A2 (2 of 6) | 2100 |
Rank used = synthetic rank this tier contributes to the combined frequency rank (lower = more common).
Corpus Frequency
| Corpus | Freq (per M) | Best form | Share | Zipf rank | Forms |
|---|---|---|---|---|---|
19th_books |
113.82 | 820 | 100% | 820 | 1 |
20th_books |
98.50 | 973 | 100% | 973 | 1 |
wiki_math |
75.61 | 1476 | 100% | 1476 | 1 |
wiki_geography |
183.78 | 673 | 100% | 673 | 1 |
wiki_biology |
81.83 | 1685 | 100% | 1685 | 1 |
wiki_modern_life |
333.58 | 317 | 100% | 317 | 1 |
wiki_arts |
80.28 | 1656 | 100% | 1656 | 1 |
wiki_society |
308.02 | 354 | 100% | 354 | 1 |
wiki_linguistics |
47.16 | 2328 | 100% | 2328 | 1 |
wiki_physical_science |
932.36 | 99 | 100% | 99 | 1 |
wiki_history |
323.32 | 312 | 100% | 312 | 1 |
early_modern_science |
431.17 | 247 | 100% | 247 | 1 |
religious_translated |
132.13 | 794 | 100% | 794 | 1 |
cooking |
37.39 | 2115 | 100% | 2115 | 1 |
legal_scotus |
237.76 | 535 | 100% | 535 | 1 |
eu_parliament_debates |
271.68 | 457 | 100% | 457 | 1 |
openstax_science |
905.53 | 100 | 100% | 100 | 1 |
openstax_society |
256.32 | 524 | 100% | 524 | 1 |
wpa_life_histories |
49.16 | 1826 | 100% | 1826 | 1 |
Best form = the single best-ranked form in the corpus, share-blind — how the spelling itself ranked. Share = how much of that spelling belongs to this lemma, when several senses compete for it. Zipf rank = all the forms combined (variant spellings included), each scaled by its share, and what feeds the combined frequency rank. Combining forms improves on the best form, but a share below 100% pushes the other way and usually wins: a sense holding a small slice of a common spelling is a rare word, so its rank lands downrated below the best form — and once it falls past what the corpus can support it is capped at the rank an unlisted word would get.