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: 575 (weighted harmonic mean of corpus + tier signals; lower = more common)
Tier Signals
Source Tier Rank used
basic_english Basic (1 of 2) 600
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 569.11 216 100% 210 2
20th_books 466.87 257 100% 250 2
wiki_vital 154.61 810 100% 810 1
wiki_math 19.23 3667 100% 3667 1
wiki_geography 46.56 2620 100% 2620 1
wiki_biology 0.00 0
wiki_modern_life 83.65 1737 100% 1737 1
early_modern_science 44.11 2381 100% 2381 1
religious_translated 798.09 202 100% 157 2
cooking 0.00 0
legal_scotus 71.41 2196 100% 1682 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.