Base difficulty: Level 276 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 |
Extended (2 of 2) | 1600 |
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 |
17.46 | 2179 | 44% | 4903 downrated | 1 |
20th_books |
21.65 | 1734 | 44% | 3902 downrated | 1 |
wiki_math |
22.75 | 1935 | 44% | 4354 downrated | 1 |
wiki_geography |
42.92 | 1365 | 44% | 3071 downrated | 1 |
wiki_biology |
23.82 | 2511 | 44% | 5650 downrated | 1 |
wiki_modern_life |
163.86 | 278 | 44% | 626 downrated | 1 |
wiki_arts |
30.99 | 1902 | 44% | 4280 downrated | 1 |
wiki_society |
67.19 | 837 | 44% | 1883 downrated | 1 |
wiki_linguistics |
9.48 | 4069 | 44% | 9000 capped | 1 |
wiki_physical_science |
36.42 | 1741 | 44% | 3917 downrated | 1 |
wiki_history |
28.61 | 2006 | 44% | 4514 downrated | 1 |
early_modern_science |
15.69 | 2838 | 44% | 6386 downrated | 1 |
religious_translated |
0.00 | — | — | — | 0 |
cooking |
40.79 | 1207 | 44% | 2716 downrated | 1 |
legal_scotus |
65.97 | 871 | 44% | 1960 downrated | 1 |
eu_parliament_debates |
82.93 | 642 | 44% | 1445 downrated | 1 |
openstax_science |
36.13 | 1690 | 44% | 3802 downrated | 1 |
openstax_society |
254.39 | 194 | 44% | 437 downrated | 1 |
wpa_life_histories |
51.01 | 874 | 44% | 1967 downrated | 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.