Base difficulty: Level 214 edit
Level distribution for verb (existence): 3: 2 10: 1 23: 1 135: 1 170: 1 179: 1 214: 8 215: 1 220: 1 329: 1 415: 1 475: 1 1399: 6
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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 |
13.19 | 8419 | 100% | 4314 | 2 |
20th_books |
12.41 | 7958 | 100% | 4381 | 2 |
wiki_math |
0.00 | — | — | — | 0 |
wiki_geography |
117.67 | 2722 | 100% | 1153 | 3 |
wiki_biology |
304.88 | 743 | 100% | 446 | 3 |
wiki_modern_life |
78.15 | 3356 | 100% | 1817 | 2 |
wiki_arts |
313.19 | 1108 | 100% | 439 | 4 |
wiki_society |
140.42 | 2629 | 100% | 993 | 3 |
wiki_linguistics |
151.02 | 2040 | 100% | 801 | 3 |
wiki_physical_science |
82.58 | 1767 | 100% | 1767 | 1 |
wiki_history |
258.28 | 1179 | 100% | 516 | 3 |
early_modern_science |
0.00 | — | — | — | 0 |
religious_translated |
0.00 | — | — | — | 0 |
cooking |
0.00 | — | — | — | 0 |
legal_scotus |
62.54 | 3242 | 100% | 1358 | 4 |
eu_parliament_debates |
15.30 | 4411 | 100% | 4411 | 1 |
openstax_science |
122.60 | 1155 | 100% | 1155 | 1 |
openstax_society |
99.62 | 2736 | 100% | 1212 | 3 |
wpa_life_histories |
6.05 | 9400 | 100% | 9400 | 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.