Base difficulty: Level 1220 edit
Level distribution for noun (collection_things): 278: 1 405: 1 450: 1 460: 9 1000: 5 1010: 1 1030: 1 1050: 3 1060: 1 1078: 2 1080: 1 1120: 1 1205: 3 1211: 1 1214: 1 1220: 3 1223: 2 1399: 33
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Tier Signals
| Source | Tier | Rank used |
|---|---|---|
basic_english |
Extended (2 of 2) | 1600 |
cambridge_yle |
Movers (2 of 3) | 750 |
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 |
0.42 | 1207 | 0% | 20000 capped | 2 |
20th_books |
0.40 | 1345 | 0% | 20000 capped | 2 |
wiki_math |
2.26 | 458 | 0% | 8000 capped | 2 |
wiki_geography |
0.00 | — | — | — | 0 |
wiki_biology |
2.50 | 475 | 0% | 9000 capped | 2 |
wiki_modern_life |
0.79 | 1256 | 0% | 10000 capped | 2 |
wiki_arts |
0.43 | 2399 | 0% | 10000 capped | 2 |
wiki_society |
0.00 | — | — | — | 0 |
wiki_linguistics |
0.95 | 1063 | 0% | 9000 capped | 2 |
wiki_physical_science |
1.25 | 974 | 0% | 8000 capped | 2 |
wiki_history |
0.16 | 3992 | 0% | 9000 capped | 1 |
early_modern_science |
0.63 | 1508 | 0% | 10400 capped | 2 |
religious_translated |
0.14 | 3047 | 0% | 10400 capped | 1 |
cooking |
0.14 | 2517 | 0% | 5200 capped | 1 |
legal_scotus |
0.03 | 9340 | 0% | 20000 capped | 1 |
eu_parliament_debates |
0.00 | — | — | — | 0 |
openstax_science |
1.68 | 834 | 0% | 11000 capped | 2 |
openstax_society |
0.11 | 4729 | 0% | 11000 capped | 1 |
wpa_life_histories |
0.52 | 1075 | 0% | 20000 capped | 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.