Base difficulty: Level 265 edit
Level distribution for noun (mental_construct): 265: 27 300: 1 390: 2 460: 1 1060: 6 1070: 1 1120: 1 1399: 30
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Tier Signals
| Source | Tier | Rank used |
|---|---|---|
basic_english |
Extended (2 of 2) | 1600 |
cefr |
C2 (6 of 6) | 20000 |
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 |
0.00 | — | — | — | 0 |
20th_books |
0.00 | — | — | — | 0 |
wiki_math |
0.00 | — | — | — | 0 |
wiki_geography |
46.75 | 2587 | 50% | 2935 downrated | 2 |
wiki_biology |
0.00 | — | — | — | 0 |
wiki_modern_life |
31.56 | 4252 | 50% | 4345 downrated | 2 |
wiki_arts |
0.00 | — | — | — | 0 |
wiki_society |
83.12 | 1637 | 50% | 1698 downrated | 2 |
wiki_linguistics |
0.00 | — | — | — | 0 |
wiki_physical_science |
0.00 | — | — | — | 0 |
wiki_history |
0.00 | — | — | — | 0 |
early_modern_science |
23.16 | 2376 | 50% | 4752 downrated | 1 |
religious_translated |
0.00 | — | — | — | 0 |
cooking |
0.00 | — | — | — | 0 |
legal_scotus |
355.49 | 218 | 50% | 323 downrated | 3 |
eu_parliament_debates |
90.84 | 988 | 50% | 1270 downrated | 2 |
openstax_science |
11.64 | 4546 | 50% | 9092 downrated | 1 |
openstax_society |
77.71 | 1377 | 50% | 1763 downrated | 2 |
wpa_life_histories |
9.08 | 5916 | 50% | 7014 downrated | 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.