Base Difficulty

Base difficulty: Level 5 edit

Level distribution for noun (human): 5: 9 63: 27

Per-Language Difficulty Overrides

No difficulty overrides set. The base difficulty level will be used for all languages.

Add Difficulty Override
-1 to exclude, 1-100 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 153.37 335 50% 594 downrated 1
20th_books 209.29 272 50% 476 downrated 1
wiki_math 11.03 3289 50% 5896 downrated 1
wiki_geography 92.78 671 50% 1355 downrated 1
wiki_biology 46.02 1506 50% 3078 downrated 1
wiki_modern_life 211.60 234 50% 494 downrated 1
wiki_arts 133.12 417 50% 855 downrated 1
wiki_society 232.93 221 50% 442 downrated 1
wiki_linguistics 254.24 237 50% 474 downrated 1
wiki_physical_science 20.73 3045 50% 6090 downrated 1
wiki_history 207.73 226 50% 452 downrated 1
early_modern_science 60.23 937 50% 1874 downrated 1
religious_translated 377.58 166 50% 332 downrated 1
cooking 44.75 1228 50% 2456 downrated 1
legal_scotus 119.81 529 50% 1058 downrated 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.