Base difficulty: Level 1 edit
Level distribution for noun (building_structure): 1: 10 8: 15 15: 14 16: 10 23: 10 27: 6 31: 2
No difficulty overrides set. The base difficulty level will be used for all languages.
Add Difficulty Override
Tier Signals
| Source | Tier | Rank used |
|---|---|---|
basic_english |
Basic (1 of 2) | 600 |
cambridge_yle |
Starters (1 of 3) | 325 |
cefr |
A1 (1 of 6) | 800 |
Rank used = synthetic rank this tier contributes to the combined frequency rank (lower = more common).
Corpus Frequency
| Corpus | Freq (per M) | Best rank | Forms |
|---|---|---|---|
19th_books |
53.89 | 3053 | 2 |
20th_books |
92.52 | 1994 | 2 |
cooking |
284.84 | 905 | 2 |
wiki_vital |
106.07 | 2944 | 3 |