Base difficulty: Level 260 edit
Level distribution for noun (activity): 20: 1 29: 14 260: 16 264: 28 266: 29 278: 1 330: 2 360: 1 380: 1 405: 2 406: 1 410: 1 416: 1 1000: 8 1010: 3 1020: 2 1030: 1 1040: 11 1050: 2 1060: 6 1070: 5 1078: 2 1090: 1 1120: 5 1205: 1 1208: 2 1211: 1 1212: 1 1214: 3 1215: 2 1216: 1 1217: 2 1218: 1 1219: 1 1220: 1 1221: 3 1222: 3 1223: 1 1224: 3 1225: 9 1226: 1 1399: 74
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Tier Signals
| Source | Tier | Rank used |
|---|---|---|
cefr |
A2 (2 of 6) | 2100 |
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 |
73.90 | 655 | 50% | 1310 downrated | 1 |
20th_books |
84.86 | 613 | 50% | 1226 downrated | 1 |
wiki_math |
17.85 | 2546 | 50% | 5092 downrated | 1 |
wiki_geography |
56.33 | 1228 | 50% | 2456 downrated | 1 |
wiki_biology |
45.30 | 1549 | 50% | 3098 downrated | 1 |
wiki_modern_life |
104.75 | 600 | 50% | 1200 downrated | 1 |
wiki_arts |
43.37 | 1596 | 50% | 3192 downrated | 1 |
wiki_society |
19.08 | 3592 | 50% | 7184 downrated | 1 |
wiki_linguistics |
16.28 | 3294 | 50% | 6588 downrated | 1 |
wiki_physical_science |
17.37 | 3614 | 50% | 7228 downrated | 1 |
wiki_history |
32.33 | 2134 | 50% | 4268 downrated | 1 |
early_modern_science |
44.40 | 1315 | 50% | 2630 downrated | 1 |
religious_translated |
19.63 | 2378 | 50% | 4756 downrated | 1 |
cooking |
16.33 | 2312 | 50% | 4624 downrated | 1 |
legal_scotus |
16.29 | 3261 | 50% | 6522 downrated | 1 |
eu_parliament_debates |
24.00 | 2121 | 50% | 4242 downrated | 1 |
openstax_science |
34.47 | 1953 | 50% | 3906 downrated | 1 |
openstax_society |
46.88 | 1481 | 50% | 2962 downrated | 1 |
wpa_life_histories |
93.91 | 572 | 50% | 1144 downrated | 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.