Base Difficulty

Base difficulty: Level 135 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 1399: 18

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: 483 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
cefr A2 (2 of 6) 2100

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 333.75 525 100% 285 4
20th_books 339.28 494 100% 291 4
wiki_math 84.31 2149 100% 1001 3
wiki_geography 652.26 433 100% 198 4
wiki_biology 480.95 530 100% 276 4
wiki_modern_life 352.52 1071 100% 412 4
wiki_arts 217.71 1327 100% 633 3
wiki_society 199.49 1614 100% 705 3
wiki_linguistics 58.04 3503 100% 1772 2
wiki_physical_science 389.57 986 100% 373 4
wiki_history 354.56 532 100% 354 3
early_modern_science 394.11 720 100% 284 4
religious_translated 258.41 886 100% 387 4
cooking 73.24 2111 100% 1083 2
legal_scotus 386.76 637 100% 326 4
eu_parliament_debates 359.73 695 100% 322 3
openstax_science 352.84 901 100% 389 4
openstax_society 301.34 1048 100% 449 4
wpa_life_histories 227.89 775 100% 424 4

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.