Base difficulty: Level 1399 edit
Level distribution for verb (possession): 3: 3 7: 2 10: 1 20: 3 175: 14 254: 1 309: 1 314: 1 360: 1 406: 1 415: 3 455: 1 475: 3 1070: 1 1205: 1 1399: 28
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Tier Signals
| Source | Tier | Rank used |
|---|---|---|
cefr |
B1 (3 of 6) | 4200 |
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 |
32.43 | 3680 | 100% | 2311 | 2 |
20th_books |
32.18 | 3108 | 100% | 2289 | 2 |
wiki_math |
0.00 | — | — | — | 0 |
wiki_geography |
43.47 | 3138 | 100% | 3138 | 1 |
wiki_biology |
44.77 | 2984 | 100% | 2984 | 1 |
wiki_modern_life |
37.84 | 3729 | 100% | 3729 | 1 |
wiki_arts |
72.99 | 1882 | 100% | 1882 | 1 |
wiki_society |
115.00 | 1725 | 100% | 1212 | 2 |
wiki_linguistics |
190.06 | 1430 | 100% | 648 | 3 |
wiki_physical_science |
0.00 | — | — | — | 0 |
wiki_history |
83.87 | 1612 | 100% | 1612 | 1 |
early_modern_science |
107.02 | 1590 | 100% | 1041 | 2 |
religious_translated |
106.36 | 1797 | 100% | 869 | 3 |
cooking |
0.00 | — | — | — | 0 |
legal_scotus |
60.70 | 3343 | 100% | 1384 | 4 |
eu_parliament_debates |
30.58 | 4310 | 100% | 2200 | 2 |
openstax_science |
72.27 | 2594 | 100% | 1651 | 2 |
openstax_society |
84.67 | 2847 | 100% | 1481 | 2 |
wpa_life_histories |
24.48 | 3677 | 100% | 2656 | 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.