Base Difficulty

Base difficulty: Level 5 edit

Level distribution for noun (family_relation): 5: 11 8: 10 12: 19 16: 4 20: 4 315: 7 1050: 1 1120: 4

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 Flyers (3 of 3) 1200

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 335.19 332 100% 304 2
20th_books 333.33 342 100% 311 2
wiki_math 0.00 — — — 0
wiki_geography 38.94 3075 100% 3075 1
wiki_biology 0.00 — — — 0
wiki_modern_life 107.01 1863 100% 1325 2
wiki_arts 196.96 625 100% 625 1
wiki_society 132.06 1219 100% 993 2
wiki_linguistics 29.19 3316 100% 3316 1
wiki_physical_science 0.00 — — — 0
wiki_history 455.89 226 100% 210 2
early_modern_science 31.84 3077 100% 3077 1
religious_translated 135.28 781 100% 781 1
cooking 0.00 — — — 0
legal_scotus 37.06 2893 100% 2893 1
eu_parliament_debates 0.00 — — — 0
openstax_science 0.00 — — — 0
openstax_society 124.04 1713 100% 1080 2
wpa_life_histories 626.71 201 100% 186 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.