Base Difficulty

Base difficulty: Level 295 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: 466 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
cambridge_yle Flyers (3 of 3) 1200
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 51.95 1748 100% 1748 1
20th_books 42.91 2014 100% 2014 1
wiki_math 502.37 274 100% 274 1
wiki_geography 147.74 910 100% 910 1
wiki_biology 184.37 736 100% 736 1
wiki_modern_life 358.75 288 100% 288 1
wiki_arts 144.04 920 100% 920 1
wiki_society 494.83 196 100% 196 1
wiki_linguistics 279.46 471 100% 471 1
wiki_physical_science 307.49 432 100% 432 1
wiki_history 150.76 864 100% 864 1
early_modern_science 121.12 953 100% 953 1
religious_translated 23.81 3570 100% 3570 1
cooking 0.00 — — — 0
legal_scotus 397.28 302 100% 302 1
eu_parliament_debates 729.77 172 100% 172 1
openstax_science 991.20 90 100% 90 1
openstax_society 607.23 186 100% 186 1
wpa_life_histories 73.50 1320 100% 1320 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.