Base Difficulty

Base difficulty: Level 23 edit

Level distribution for verb (directional_movement): 5: 6 23: 4 26: 3 28: 2 120: 1 135: 2 145: 5 210: 1 254: 1 300: 1 330: 2 415: 1 460: 1 470: 9 1040: 1 1050: 2 1120: 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, 1-1299 for level
Frequency and Tier Signals
Combined Frequency Rank: — (run python -m storage.admin --calc-ranks to populate)
Tier Signals
Source Tier Rank used
cambridge_yle Flyers (3 of 3) 1200

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 118.82 809 80% 763 2
20th_books 90.30 1023 80% 989 2
wiki_math 0.00 — — — 0
wiki_geography 122.90 824 80% 1030 downrated 1
wiki_biology 35.64 2984 80% 3730 downrated 1
wiki_modern_life 21.87 4759 80% 5949 downrated 1
wiki_arts 63.74 2645 80% 1981 2
wiki_society 34.85 3057 80% 3821 downrated 1
wiki_linguistics 68.32 1865 80% 1573 2
wiki_physical_science 0.00 — — — 0
wiki_history 154.14 593 80% 741 downrated 1
early_modern_science 130.17 1040 80% 859 2
religious_translated 59.78 1898 80% 1501 2
cooking 0.00 — — — 0
legal_scotus 24.15 4327 80% 3267 2
eu_parliament_debates 42.77 2931 80% 1888 2
openstax_science 18.92 4466 80% 5582 downrated 1
openstax_society 86.80 1768 80% 1504 2
wpa_life_histories 109.81 828 80% 867 downrated 2

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.