Base Difficulty

Base difficulty: Level 14 edit

Level distribution for adjective (quality): 3: 1 11: 10 14: 12 17: 23 18: 3 20: 4 318: 35 320: 28 330: 1 340: 2 360: 2 380: 1 400: 3 420: 4 430: 27 469: 27 470: 2 1040: 2 1060: 2 1070: 13 1090: 3 1110: 2 1120: 47 1214: 1 1399: 16

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: 918 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
basic_english Basic (1 of 2) 600
cambridge_yle Movers (2 of 3) 750
cefr A1 (1 of 6) 800

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 284.68 432 100% 358 3
20th_books 286.24 422 100% 359 3
wiki_math 6.05 3256 25% 8000 capped 1
wiki_geography 10.42 3274 25% 9000 capped 1
wiki_biology 29.37 4091 100% 4091 1
wiki_modern_life 30.78 4418 100% 4418 1
wiki_arts 53.02 2596 100% 2596 1
wiki_society 77.55 1815 100% 1815 1
wiki_linguistics 35.24 3071 100% 3071 1
wiki_physical_science 0.00 — — — 0
wiki_history 49.66 2755 100% 2755 1
early_modern_science 108.35 1257 100% 1061 3
religious_translated 151.36 801 100% 695 3
cooking 39.43 2045 100% 2045 1
legal_scotus 58.78 2360 100% 1885 3
eu_parliament_debates 105.09 1449 100% 1063 3
openstax_science 25.34 4263 100% 4263 1
openstax_society 128.34 1285 100% 1069 3
wpa_life_histories 552.95 233 100% 213 3

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.