Base Difficulty

Base difficulty: Level 11 edit

Level distribution for adjective (physical_property): -1: 2 3: 1 11: 13 14: 18 17: 7 18: 19 20: 2 340: 1 355: 37 360: 1 370: 1 380: 1 420: 1 1000: 1 1010: 3 1040: 8 1050: 5 1090: 2 1120: 15 1209: 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 Starters (1 of 3) 325

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 1328.72 100 100% 94 3
20th_books 1429.46 95 100% 86 3
wiki_math 141.91 1588 100% 692 3
wiki_geography 799.14 262 100% 138 3
wiki_biology 660.82 363 100% 188 3
wiki_modern_life 509.04 602 100% 259 3
wiki_arts 615.71 313 100% 185 3
wiki_society 398.18 691 100% 323 3
wiki_linguistics 663.57 426 100% 190 3
wiki_physical_science 323.48 924 100% 443 3
wiki_history 585.21 220 100% 172 3
early_modern_science 510.58 253 100% 207 3
religious_translated 466.09 268 100% 237 3
cooking 313.85 480 100% 480 1
legal_scotus 153.02 1099 100% 800 2
eu_parliament_debates 160.15 873 100% 691 2
openstax_science 223.58 999 100% 601 3
openstax_society 550.96 479 100% 241 3
wpa_life_histories 3181.10 48 100% 43 3

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.