Base Difficulty

Base difficulty: Level 25 edit

Level distribution for noun (furniture): 10: 2 19: 1 25: 8 119: 11 1399: 1

Per-Language Difficulty Overrides

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

Add Difficulty Override
-1 to exclude, 1-1399 for level
Frequency and Tier Signals
Combined Frequency Rank: 732 (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
cefr A1 (1 of 6) 800

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 353.00 328 100% 297 2
20th_books 481.68 266 100% 229 2
wiki_math 0.00 — — — 0
wiki_geography 72.31 3527 100% 1875 2
wiki_biology 116.90 1888 100% 1157 2
wiki_modern_life 117.87 1662 100% 1221 2
wiki_arts 40.31 3351 100% 3351 1
wiki_society 0.00 — — — 0
wiki_linguistics 0.00 — — — 0
wiki_physical_science 99.40 2526 100% 1367 2
wiki_history 28.33 4499 100% 4499 1
early_modern_science 320.45 500 100% 345 2
religious_translated 82.27 1251 100% 1251 1
cooking 114.94 1030 100% 1030 1
legal_scotus 9.92 6896 100% 6896 1
eu_parliament_debates 0.00 — — — 0
openstax_science 20.78 4933 100% 4933 1
openstax_society 38.03 3201 100% 3201 1
wpa_life_histories 445.91 301 100% 256 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.