Base Difficulty

Base difficulty: Level 19 edit

Level distribution for noun (communication_information): 5: 1 19: 6 295: 28 370: 1 400: 36 420: 1 440: 32 460: 1 470: 2 1000: 8 1040: 1 1060: 2 1070: 10 1080: 1 1110: 16 1120: 2 1207: 1 1220: 1 1399: 83

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: 1154 (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 Starters (1 of 3) 325
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 145.58 381 50% 689 downrated 2
20th_books 113.27 492 50% 895 downrated 2
wiki_math 84.31 969 50% 1432 downrated 2
wiki_geography 0.00 — — — 0
wiki_biology 0.00 — — — 0
wiki_modern_life 0.00 — — — 0
wiki_arts 20.98 3225 50% 6450 downrated 1
wiki_society 55.27 1836 50% 2511 downrated 2
wiki_linguistics 13.97 3614 50% 7228 downrated 1
wiki_physical_science 0.00 — — — 0
wiki_history 15.87 4094 50% 8188 downrated 1
early_modern_science 72.90 899 50% 1510 downrated 2
religious_translated 134.82 444 50% 795 downrated 2
cooking 0.00 — — — 0
legal_scotus 142.48 511 50% 866 downrated 2
eu_parliament_debates 113.62 661 50% 1008 downrated 2
openstax_science 66.91 1235 50% 1981 downrated 2
openstax_society 110.37 965 50% 1270 downrated 2
wpa_life_histories 54.23 1104 50% 1772 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.