Base Difficulty

Base difficulty: Level 28 edit

Level distribution for adverb (style): -1: 1 11: 10 19: 4 27: 3 28: 38

Per-Language Difficulty Overrides

No difficulty overrides set. The base difficulty level will be used for all languages.

Add Difficulty Override
-1 to exclude, 1-36 for level
Frequency and Tier Signals
Combined Frequency Rank: 676 (weighted harmonic mean of corpus + tier signals; lower = more common)
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 507.12 225 100% 225 1
20th_books 542.94 224 100% 224 1
wiki_vital 110.24 1220 100% 1220 1
wiki_math 58.82 1786 100% 1786 1
wiki_geography 58.45 2190 100% 2190 1
wiki_biology 116.61 1184 100% 1184 1
wiki_modern_life 81.73 1775 100% 1775 1
early_modern_science 0.00 203 100% 203 1
religious_translated 70.69 1424 100% 1424 1
cooking 96.31 1176 100% 1176 1
legal_scotus 157.81 822 100% 822 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.