Base Difficulty

Base difficulty: Level 230 edit

Level distribution for verb (communication): 10: 2 11: 1 29: 1 119: 2 140: 1 185: 1 196: 1 215: 1 230: 1 295: 2 300: 1 310: 3 329: 1 400: 1 415: 4 455: 2 460: 2 475: 4 480: 52 485: 5 1000: 2 1060: 1 1070: 2 1120: 2 1399: 73

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: 1969 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
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 8.31 7411 100% 7411 1
20th_books 8.41 7132 100% 7132 1
wiki_math 69.29 1619 100% 1619 1
wiki_geography 38.95 3506 100% 3506 1
wiki_biology 0.00 — — — 0
wiki_modern_life 0.00 — — — 0
wiki_arts 254.06 459 100% 459 1
wiki_society 135.29 1006 100% 1006 1
wiki_linguistics 276.77 783 100% 444 4
wiki_physical_science 31.38 3882 100% 3882 1
wiki_history 220.53 542 100% 542 1
early_modern_science 45.18 2440 100% 2440 1
religious_translated 63.30 1611 100% 1611 1
cooking 0.00 — — — 0
legal_scotus 0.00 — — — 0
eu_parliament_debates 24.65 4706 100% 2506 2
openstax_science 35.33 3399 100% 3399 1
openstax_society 34.31 3530 100% 3530 1
wpa_life_histories 0.00 — — — 0

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.