Base Difficulty

Base difficulty: Level 30 edit

Level distribution for noun (family_relation): 22: 4 30: 48

Per-Language Difficulty Overrides

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

Add Difficulty Override
-1 to exclude, 1-36 for level
Frequency and Tier Signals
Combined Frequency Rank: 958 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
basic_english Extended (2 of 2) 1600
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% 317 2
20th_books 333.33 342 100% 327 2
wiki_vital 83.86 1665 100% 1665 1
wiki_math 0.00 0
wiki_geography 38.23 3117 100% 3117 1
wiki_biology 0.00 0
wiki_modern_life 106.33 1880 100% 1272 2
early_modern_science 31.84 3077 100% 3077 1
religious_translated 495.82 308 100% 237 2
cooking 0.00 0
legal_scotus 37.06 2893 100% 2893 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.