Base Difficulty

Base difficulty: Level 1399 edit

Level distribution for noun (knowledge_domain): 19: 4 329: 28 1000: 13 1010: 4 1030: 2 1040: 2 1050: 2 1060: 14 1080: 4 1110: 24 1120: 3 1399: 21

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: 2701 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals

No lemma-tier assignment found yet.

Corpus Frequency
Corpus Freq (per M) Best form Share Zipf rank Forms
19th_books 2.48 4892 17% 20000 capped 1
20th_books 5.15 2688 17% 16128 downrated 1
wiki_math 4.61 2955 17% 8000 capped 1
wiki_geography 84.50 260 17% 1340 downrated 2
wiki_biology 36.41 1074 17% 3867 downrated 2
wiki_modern_life 61.71 643 17% 2129 downrated 2
wiki_arts 169.65 218 17% 702 downrated 3
wiki_society 127.28 184 17% 797 downrated 2
wiki_linguistics 61.75 468 17% 2127 downrated 2
wiki_physical_science 15.82 2694 17% 8000 capped 2
wiki_history 74.32 295 17% 1498 downrated 2
early_modern_science 0.00 — — — 0
religious_translated 0.00 — — — 0
cooking 0.00 — — — 0
legal_scotus 2.26 5753 17% 20000 capped 1
eu_parliament_debates 27.06 893 17% 4134 downrated 2
openstax_science 22.91 1490 17% 5836 downrated 2
openstax_society 168.85 162 17% 666 downrated 2
wpa_life_histories 2.63 4322 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.