Base Difficulty

Base difficulty: Level 330 edit

Level distribution for noun (artwork_artifact): 25: 1 29: 1 205: 1 330: 30 360: 1 405: 2 1000: 39 1030: 1 1040: 2 1120: 2 1399: 17

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: 6233 (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 1.60 6702 17% 20000 capped 1
20th_books 1.09 8385 17% 20000 capped 1
wiki_math 20.92 1054 17% 6324 downrated 1
wiki_geography 6.57 3450 17% 9000 capped 1
wiki_biology 6.74 3251 17% 9000 capped 1
wiki_modern_life 11.51 2153 17% 10000 capped 1
wiki_arts 101.24 226 17% 1067 downrated 2
wiki_society 27.78 1049 17% 4891 downrated 2
wiki_linguistics 25.18 1205 17% 5004 downrated 2
wiki_physical_science 5.91 3544 17% 8000 capped 1
wiki_history 38.45 734 17% 3403 downrated 2
early_modern_science 10.18 1860 17% 10400 capped 1
religious_translated 2.74 4632 17% 10400 capped 1
cooking 0.00 — — — 0
legal_scotus 2.16 5898 17% 20000 capped 1
eu_parliament_debates 0.00 — — — 0
openstax_science 0.00 — — — 0
openstax_society 0.00 — — — 0
wpa_life_histories 1.26 7351 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.