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 |
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 |
147.62 | 670 | 100% | 617 | 2 |
20th_books |
127.13 | 887 | 100% | 717 | 2 |
wiki_math |
16.29 | 3891 | 100% | 3891 | 1 |
wiki_geography |
356.65 | 667 | 100% | 352 | 2 |
wiki_biology |
0.00 | — | — | — | 0 |
wiki_modern_life |
304.99 | 670 | 100% | 439 | 2 |
wiki_arts |
285.40 | 731 | 100% | 446 | 2 |
wiki_society |
422.95 | 307 | 100% | 263 | 2 |
wiki_linguistics |
52.21 | 3525 | 100% | 1773 | 2 |
wiki_physical_science |
0.00 | — | — | — | 0 |
wiki_history |
348.97 | 549 | 100% | 335 | 2 |
early_modern_science |
36.44 | 2766 | 100% | 2766 | 1 |
religious_translated |
93.73 | 1084 | 100% | 1084 | 1 |
cooking |
32.86 | 2275 | 100% | 2275 | 1 |
legal_scotus |
124.71 | 1274 | 100% | 957 | 2 |
eu_parliament_debates |
96.07 | 1243 | 100% | 1243 | 1 |
openstax_science |
84.62 | 1624 | 100% | 1624 | 1 |
openstax_society |
249.72 | 806 | 100% | 566 | 2 |
wpa_life_histories |
382.52 | 422 | 100% | 281 | 2 |
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.