Base difficulty: Level 8 edit
Level distribution for determiner (determiner_other): 6: 1 8: 1 9: 1 10: 10 11: 3 14: 2 18: 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 |
cambridge_yle |
Flyers (3 of 3) | 1200 |
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 |
1309.67 | 96 | 100% | 96 | 1 |
20th_books |
1347.64 | 90 | 100% | 90 | 1 |
wiki_math |
2503.79 | 42 | 100% | 42 | 1 |
wiki_geography |
2360.56 | 29 | 100% | 29 | 1 |
wiki_biology |
3853.40 | 25 | 100% | 25 | 1 |
wiki_modern_life |
3091.54 | 31 | 100% | 31 | 1 |
wiki_arts |
2477.78 | 39 | 100% | 39 | 1 |
wiki_society |
2929.17 | 32 | 100% | 32 | 1 |
wiki_linguistics |
3679.18 | 30 | 100% | 30 | 1 |
wiki_physical_science |
2979.73 | 32 | 100% | 32 | 1 |
wiki_history |
1862.27 | 44 | 100% | 44 | 1 |
early_modern_science |
3112.66 | 38 | 100% | 38 | 1 |
religious_translated |
1325.34 | 97 | 100% | 97 | 1 |
cooking |
1075.00 | 150 | 100% | 150 | 1 |
legal_scotus |
2051.38 | 44 | 100% | 44 | 1 |
eu_parliament_debates |
1798.13 | 64 | 100% | 64 | 1 |
openstax_science |
2743.79 | 32 | 100% | 32 | 1 |
openstax_society |
2819.57 | 34 | 100% | 34 | 1 |
wpa_life_histories |
1561.81 | 88 | 100% | 88 | 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.