Base Difficulty

Base difficulty: Level 1399 edit

Level distribution for adjective (aesthetic): 330: 1 350: 1 370: 1 379: 6 380: 1 390: 1 1000: 21 1020: 1 1120: 7 1399: 1

Per-Language Difficulty Overrides

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

Add Difficulty Override
-1 to exclude, 1-1399 for level
Frequency and Tier Signals
Combined Frequency Rank: 8171 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
cefr B1 (3 of 6) 4200

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 7.69 1939 17% 11634 downrated 1
20th_books 4.70 2916 17% 17496 downrated 1
wiki_math 0.00 — — — 0
wiki_geography 0.00 — — — 0
wiki_biology 0.00 — — — 0
wiki_modern_life 0.00 — — — 0
wiki_arts 9.98 2308 17% 10000 capped 1
wiki_society 41.12 477 17% 2862 downrated 1
wiki_linguistics 0.00 — — — 0
wiki_physical_science 0.00 — — — 0
wiki_history 10.36 2202 17% 9000 capped 1
early_modern_science 4.74 3480 17% 10400 capped 1
religious_translated 38.55 468 17% 2808 downrated 1
cooking 0.00 — — — 0
legal_scotus 1.28 7899 17% 20000 capped 1
eu_parliament_debates 0.00 — — — 0
openstax_science 0.00 — — — 0
openstax_society 9.64 2326 17% 11000 capped 1
wpa_life_histories 0.84 9616 17% 20000 capped 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.