Base difficulty: Level 179 edit
Level distribution for noun (material_substance): 19: 1 135: 1 179: 25 180: 26 184: 23 314: 1 1000: 1 1020: 1 1030: 1 1040: 6 1050: 3 1090: 3 1100: 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 |
|---|---|---|
cambridge_yle |
Flyers (3 of 3) | 1200 |
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 |
167.96 | 585 | 100% | 585 | 1 |
20th_books |
145.44 | 683 | 100% | 683 | 1 |
wiki_math |
0.00 | — | — | — | 0 |
wiki_geography |
158.48 | 795 | 100% | 795 | 1 |
wiki_biology |
38.03 | 3385 | 100% | 3385 | 1 |
wiki_modern_life |
93.28 | 1548 | 100% | 1548 | 1 |
wiki_arts |
120.54 | 1091 | 100% | 1091 | 1 |
wiki_society |
110.82 | 1210 | 100% | 1210 | 1 |
wiki_linguistics |
23.04 | 3883 | 100% | 3883 | 1 |
wiki_physical_science |
180.37 | 797 | 100% | 797 | 1 |
wiki_history |
200.76 | 567 | 100% | 567 | 1 |
early_modern_science |
116.93 | 963 | 100% | 963 | 1 |
religious_translated |
344.66 | 316 | 100% | 316 | 1 |
cooking |
34.01 | 2250 | 100% | 2250 | 1 |
legal_scotus |
0.00 | — | — | — | 0 |
eu_parliament_debates |
0.00 | — | — | — | 0 |
openstax_science |
49.80 | 2567 | 100% | 2567 | 1 |
openstax_society |
139.86 | 1011 | 100% | 1011 | 1 |
wpa_life_histories |
155.34 | 684 | 100% | 684 | 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.