Base difficulty: Level 299 edit
Level distribution for noun (social_institution): 299: 42 360: 1 405: 1 1020: 2 1030: 7 1040: 1 1060: 11 1070: 7 1120: 6
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 |
B1 (3 of 6) | 4200 |
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 |
102.47 | 910 | 100% | 910 | 1 |
20th_books |
78.42 | 1175 | 100% | 1175 | 1 |
wiki_math |
0.00 | — | — | — | 0 |
wiki_geography |
352.33 | 311 | 100% | 311 | 1 |
wiki_biology |
0.00 | — | — | — | 0 |
wiki_modern_life |
371.71 | 276 | 100% | 276 | 1 |
wiki_arts |
67.35 | 1974 | 100% | 1974 | 1 |
wiki_society |
337.71 | 320 | 100% | 320 | 1 |
wiki_linguistics |
27.51 | 3444 | 100% | 3444 | 1 |
wiki_physical_science |
0.00 | — | — | — | 0 |
wiki_history |
191.95 | 600 | 100% | 600 | 1 |
early_modern_science |
51.40 | 2093 | 100% | 2093 | 1 |
religious_translated |
164.82 | 633 | 100% | 633 | 1 |
cooking |
41.92 | 1971 | 100% | 1971 | 1 |
legal_scotus |
251.70 | 502 | 100% | 502 | 1 |
eu_parliament_debates |
184.35 | 648 | 100% | 648 | 1 |
openstax_science |
44.38 | 2838 | 100% | 2838 | 1 |
openstax_society |
232.42 | 603 | 100% | 603 | 1 |
wpa_life_histories |
127.58 | 794 | 100% | 794 | 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.