Base difficulty: Level 225 edit
Level distribution for adverb (duration): 22: 2 225: 5 1120: 1 1399: 1
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python -m storage.admin --calc-ranks to populate)
Tier Signals
No lemma-tier assignment found yet.
Corpus Frequency
| Corpus | Freq (per M) | Best form | Share | Zipf rank | Forms |
|---|---|---|---|---|---|
19th_books |
12.13 | 5674 | 100% | 5674 | 1 |
20th_books |
17.46 | 4230 | 100% | 4230 | 1 |
wiki_math |
0.00 | — | — | — | 0 |
wiki_geography |
42.82 | 3180 | 100% | 3180 | 1 |
wiki_biology |
0.00 | — | — | — | 0 |
wiki_modern_life |
0.00 | — | — | — | 0 |
wiki_arts |
44.51 | 3066 | 100% | 3066 | 1 |
wiki_society |
0.00 | — | — | — | 0 |
wiki_linguistics |
0.00 | — | — | — | 0 |
wiki_physical_science |
0.00 | — | — | — | 0 |
wiki_history |
75.91 | 1798 | 100% | 1798 | 1 |
early_modern_science |
29.22 | 3391 | 100% | 3391 | 1 |
religious_translated |
0.00 | — | — | — | 0 |
cooking |
0.00 | — | — | — | 0 |
legal_scotus |
12.14 | 6128 | 100% | 6128 | 1 |
eu_parliament_debates |
56.70 | 1883 | 100% | 1883 | 1 |
openstax_science |
29.49 | 3835 | 100% | 3835 | 1 |
openstax_society |
0.00 | — | — | — | 0 |
wpa_life_histories |
7.78 | 7164 | 100% | 7164 | 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.