Base Difficulty

Base difficulty: Level 420 edit

Level distribution for adjective (legal): 390: 1 420: 12 1030: 1 1040: 1 1060: 1 1070: 25 1110: 1 1120: 11 1130: 27 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: 1717 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
basic_english Extended (2 of 2) 1600
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 9.16 4180 50% 8360 downrated 1
20th_books 5.89 5599 50% 11198 downrated 1
wiki_math 0.00 — — — 0
wiki_geography 61.38 1114 50% 2228 downrated 1
wiki_biology 0.00 — — — 0
wiki_modern_life 93.82 710 50% 1420 downrated 1
wiki_arts 27.42 2530 50% 5060 downrated 1
wiki_society 262.89 178 50% 356 downrated 1
wiki_linguistics 41.38 1550 50% 3100 downrated 1
wiki_physical_science 23.22 2876 50% 5752 downrated 1
wiki_history 70.53 941 50% 1882 downrated 1
early_modern_science 0.00 — — — 0
religious_translated 7.36 5002 50% 10004 downrated 1
cooking 0.00 — — — 0
legal_scotus 245.19 228 50% 456 downrated 1
eu_parliament_debates 294.39 213 50% 426 downrated 1
openstax_science 20.36 3016 50% 6032 downrated 1
openstax_society 119.05 582 50% 1164 downrated 1
wpa_life_histories 7.17 5048 50% 10096 downrated 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.