Base difficulty: Level 380 edit
Level distribution for noun (building_structure): 1: 9 10: 6 20: 7 24: 9 26: 7 110: 4 114: 24 115: 12 120: 1 278: 4 380: 1 405: 3 1000: 2 1010: 1 1040: 8 1050: 1 1078: 4 1120: 1 1209: 1 1218: 1 1221: 1 1225: 1 1399: 12
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Tier Signals
| Source | Tier | Rank used |
|---|---|---|
basic_english |
Extended (2 of 2) | 1600 |
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 |
43.51 | 2007 | 50% | 1930 | 2 |
20th_books |
24.93 | 2910 | 50% | 2954 downrated | 2 |
wiki_math |
30.60 | 1775 | 50% | 3550 downrated | 1 |
wiki_geography |
22.19 | 3089 | 50% | 6178 downrated | 1 |
wiki_biology |
30.85 | 2226 | 50% | 4452 downrated | 1 |
wiki_modern_life |
40.58 | 1821 | 50% | 3642 downrated | 1 |
wiki_arts |
0.00 | — | — | — | 0 |
wiki_society |
23.52 | 2969 | 50% | 5938 downrated | 1 |
wiki_linguistics |
15.05 | 3461 | 50% | 6922 downrated | 1 |
wiki_physical_science |
218.63 | 293 | 50% | 586 downrated | 1 |
wiki_history |
14.85 | 4341 | 50% | 8682 downrated | 1 |
early_modern_science |
0.00 | — | — | — | 0 |
religious_translated |
0.00 | — | — | — | 0 |
cooking |
0.00 | — | — | — | 0 |
legal_scotus |
2.73 | 9522 | 50% | 19044 downrated | 1 |
eu_parliament_debates |
26.29 | 1998 | 50% | 3996 downrated | 1 |
openstax_science |
68.37 | 1041 | 50% | 2082 downrated | 1 |
openstax_society |
40.51 | 1700 | 50% | 3400 downrated | 1 |
wpa_life_histories |
21.51 | 3246 | 50% | 3394 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.