Base Difficulty

Base difficulty: Level 1202 edit

Level distribution for noun (time_period): 6: 4 22: 25 220: 15 405: 3 1030: 2 1050: 1 1070: 1 1120: 4 1200: 1 1202: 2

Per-Language Difficulty Overrides

No difficulty overrides set. The base difficulty level will be used for all languages.

Add Difficulty Override
-1 to exclude, 1-1299 for level
Frequency and Tier Signals
Combined Frequency Rank: — (run python -m storage.admin --calc-ranks to populate)
Tier Signals

No lemma-tier assignment found yet.

Corpus Frequency
Corpus Freq (per M) Best form Share Zipf rank Forms
19th_books 76.68 1188 100% 1188 1
20th_books 93.16 1016 100% 1016 1
wiki_math 23.26 3240 100% — 1
wiki_geography 95.18 1392 100% 1392 1
wiki_biology 125.28 1105 100% 1105 1
wiki_modern_life 118.27 1222 100% 1222 1
wiki_arts 209.21 576 100% 576 1
wiki_society 40.44 3274 100% 3274 1
wiki_linguistics 45.47 2414 100% 2414 1
wiki_physical_science 30.76 3828 100% 3828 1
wiki_history 81.49 1588 100% 1588 1
early_modern_science 68.67 1625 100% 1625 1
religious_translated 56.32 1727 100% 1727 1
cooking 54.38 1673 100% 1673 1
legal_scotus 29.98 3328 100% 3328 1
eu_parliament_debates 81.46 1422 100% 1422 1
openstax_science 0.00 1280 100% 1280 0
openstax_society 33.38 3586 100% 3586 1
wpa_life_histories 41.61 2075 100% 2075 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.