Base Difficulty

Base difficulty: Level 1 edit

Level distribution for noun (building_structure): 1: 10 10: 8 20: 7 24: 20 26: 8 110: 4 114: 26 115: 19 380: 1 405: 3 1000: 2 1010: 1 1040: 8 1050: 1 1120: 1 1209: 1 1218: 1 1221: 1 1225: 1

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 939.83 148 100% 127 2
20th_books 1028.62 145 100% 124 2
wiki_math 33.73 3832 100% 1950 2
wiki_geography 383.65 494 100% 314 2
wiki_biology 139.04 1328 100% 970 2
wiki_modern_life 243.69 899 100% 574 2
wiki_arts 380.31 464 100% 312 2
wiki_society 178.87 1133 100% 746 2
wiki_linguistics 243.65 605 100% 504 2
wiki_physical_science 0.00 — — — 0
wiki_history 349.42 373 100% 306 2
early_modern_science 411.23 378 100% 264 2
religious_translated 815.02 178 100% 149 2
cooking 148.43 818 100% 818 1
legal_scotus 110.13 1378 100% 1068 2
eu_parliament_debates 44.04 2885 100% 1696 2
openstax_science 52.68 3629 100% 2090 2
openstax_society 205.22 1097 100% 688 2
wpa_life_histories 1814.51 89 100% 75 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.