Base difficulty: Level 460 edit
Level distribution for noun (collection_things): 350: 2 405: 1 460: 13 1000: 5 1010: 1 1030: 1 1050: 3 1060: 1 1080: 1 1205: 3 1211: 1 1214: 1 1220: 3 1223: 2
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 |
A1 (1 of 6) | 800 |
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 |
12.42 | 5396 | 100% | 5396 | 1 |
20th_books |
15.60 | 4409 | 100% | 4409 | 1 |
wiki_math |
216.36 | 624 | 100% | 624 | 1 |
wiki_geography |
160.59 | 785 | 100% | 785 | 1 |
wiki_biology |
107.90 | 1290 | 100% | 1290 | 1 |
wiki_modern_life |
113.94 | 1265 | 100% | 1265 | 1 |
wiki_arts |
237.44 | 486 | 100% | 486 | 1 |
wiki_society |
123.50 | 1056 | 100% | 1056 | 1 |
wiki_linguistics |
92.07 | 1308 | 100% | 1308 | 1 |
wiki_physical_science |
72.86 | 1936 | 100% | 1936 | 1 |
wiki_history |
71.76 | 1818 | 100% | 1818 | 1 |
early_modern_science |
53.70 | 2008 | 100% | 2008 | 1 |
religious_translated |
67.74 | 1479 | 100% | 1479 | 1 |
cooking |
29.46 | 2466 | 100% | 2466 | 1 |
legal_scotus |
465.73 | 250 | 100% | 250 | 1 |
eu_parliament_debates |
31.35 | 2745 | 100% | 2745 | 1 |
openstax_science |
270.45 | 507 | 100% | 507 | 1 |
openstax_society |
140.11 | 1013 | 100% | 1013 | 1 |
wpa_life_histories |
217.21 | 505 | 100% | 505 | 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.