Base Difficulty

Base difficulty: Level 26 edit

Level distribution for noun (path_infrastructure): 26: 7 255: 14 405: 3 1020: 2 1050: 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 Starters (1 of 3) 325

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 202.80 635 100% 465 2
20th_books 358.11 451 100% 285 2
wiki_math 0.00 — — — 0
wiki_geography 265.28 910 100% 486 2
wiki_biology 0.00 — — — 0
wiki_modern_life 109.17 2019 100% 1313 2
wiki_arts 144.57 1502 100% 915 2
wiki_society 73.95 3254 100% 1769 2
wiki_linguistics 41.54 2576 100% 2576 1
wiki_physical_science 0.00 — — — 0
wiki_history 137.17 1700 100% 944 2
early_modern_science 63.29 2283 100% 1552 2
religious_translated 15.75 4634 100% 4634 1
cooking 0.00 — — — 0
legal_scotus 37.47 3519 100% 2292 2
eu_parliament_debates 13.33 4447 100% 4447 1
openstax_science 0.00 — — — 0
openstax_society 60.16 3290 100% 1935 2
wpa_life_histories 592.41 328 100% 190 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.