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
Source Tier Rank used
cambridge_yle Movers (2 of 3) 750

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 43.15 1996 100% 1996 1
20th_books 41.67 1980 100% 1980 1
wiki_math 36.06 3638 100% 1869 2
wiki_geography 133.59 1541 100% 961 2
wiki_biology 0.00 — — — 0
wiki_modern_life 33.36 4068 100% 4068 1
wiki_arts 206.48 828 100% 618 2
wiki_society 212.02 1150 100% 635 2
wiki_linguistics 62.88 2479 100% 1572 2
wiki_physical_science 0.00 — — — 0
wiki_history 174.52 1098 100% 726 2
early_modern_science 0.00 — — — 0
religious_translated 0.00 — — — 0
cooking 0.00 — — — 0
legal_scotus 47.05 2945 100% 1991 2
eu_parliament_debates 0.00 — — — 0
openstax_science 64.71 2058 100% 2058 1
openstax_society 0.00 — — — 0
wpa_life_histories 33.61 2773 100% 2134 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.