Base difficulty: Level 10 edit
Level distribution for adverb (direction): 10: 2 249: 6 1020: 1 1120: 1
No difficulty overrides set. The base difficulty level will be used for all languages.
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Tier Signals
| Source | Tier | Rank used |
|---|---|---|
basic_english |
Basic (1 of 2) | 600 |
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 |
72.89 | 186 | 11% | 1674 downrated | 1 |
20th_books |
93.81 | 156 | 11% | 1404 downrated | 1 |
wiki_math |
87.00 | 168 | 11% | 1512 downrated | 1 |
wiki_geography |
22.17 | 635 | 11% | 5715 downrated | 1 |
wiki_biology |
21.21 | 701 | 11% | 6309 downrated | 1 |
wiki_modern_life |
27.89 | 474 | 11% | 4266 downrated | 1 |
wiki_arts |
22.69 | 623 | 11% | 5607 downrated | 1 |
wiki_society |
51.78 | 213 | 11% | 1917 downrated | 1 |
wiki_linguistics |
33.02 | 437 | 11% | 3933 downrated | 1 |
wiki_physical_science |
19.91 | 809 | 11% | 7281 downrated | 1 |
wiki_history |
25.74 | 505 | 11% | 4545 downrated | 1 |
early_modern_science |
27.08 | 447 | 11% | 4023 downrated | 1 |
religious_translated |
47.68 | 272 | 11% | 2448 downrated | 1 |
cooking |
30.05 | 524 | 11% | 4716 downrated | 1 |
legal_scotus |
135.82 | 82 | 11% | 738 downrated | 1 |
eu_parliament_debates |
87.09 | 151 | 11% | 1359 downrated | 1 |
openstax_science |
52.46 | 225 | 11% | 2025 downrated | 1 |
openstax_society |
71.70 | 173 | 11% | 1557 downrated | 1 |
wpa_life_histories |
137.33 | 113 | 11% | 1017 downrated | 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.