Base Difficulty

Base difficulty: Level 205 edit

Level distribution for noun (tool): 19: 2 205: 31 460: 2 1000: 15 1040: 13 1050: 1 1090: 2 1203: 1 1209: 1 1210: 7 1216: 1 1221: 1 1222: 2 1224: 8

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 Movers (2 of 3) 750

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 72.79 1247 100% 1247 1
20th_books 34.06 2364 100% 2364 1
wiki_math 182.72 733 100% 733 1
wiki_geography 0.00 — — — 0
wiki_biology 0.00 — — — 0
wiki_modern_life 414.79 239 100% 239 1
wiki_arts 53.46 2459 100% 2459 1
wiki_society 40.46 3272 100% 3272 1
wiki_linguistics 42.14 2539 100% 2539 1
wiki_physical_science 29.52 3953 100% 3953 1
wiki_history 49.32 2579 100% 2579 1
early_modern_science 128.86 863 100% 863 1
religious_translated 0.00 — — — 0
cooking 0.00 — — — 0
legal_scotus 18.66 4577 100% 4577 1
eu_parliament_debates 0.00 — — — 0
openstax_science 24.49 4382 100% 4382 1
openstax_society 53.63 2499 100% 2499 1
wpa_life_histories 145.50 717 100% 717 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.