Base difficulty: Level 221 edit
Level distribution for noun (concept_idea): 19: 2 20: 3 26: 1 27: 1 221: 29 270: 31 274: 37 275: 31 280: 29 380: 2 1000: 1 1030: 1 1060: 5 1070: 6 1110: 7 1120: 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 |
129.72 | 723 | 100% | 723 | 1 |
20th_books |
102.14 | 941 | 100% | 941 | 1 |
wiki_math |
77.94 | 1444 | 100% | 1444 | 1 |
wiki_geography |
66.97 | 1955 | 100% | 1955 | 1 |
wiki_biology |
74.59 | 1825 | 100% | 1825 | 1 |
wiki_modern_life |
118.70 | 1220 | 100% | 1220 | 1 |
wiki_arts |
246.62 | 460 | 100% | 460 | 1 |
wiki_society |
450.46 | 226 | 100% | 226 | 1 |
wiki_linguistics |
163.37 | 777 | 100% | 777 | 1 |
wiki_physical_science |
0.00 | — | — | — | 0 |
wiki_history |
226.96 | 466 | 100% | 466 | 1 |
early_modern_science |
325.68 | 332 | 100% | 332 | 1 |
religious_translated |
115.39 | 895 | 100% | 895 | 1 |
cooking |
0.00 | — | — | — | 0 |
legal_scotus |
595.01 | 169 | 100% | 169 | 1 |
eu_parliament_debates |
583.66 | 218 | 100% | 218 | 1 |
openstax_science |
146.01 | 980 | 100% | 980 | 1 |
openstax_society |
304.94 | 424 | 100% | 424 | 1 |
wpa_life_histories |
48.47 | 1852 | 100% | 1852 | 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.