Word counts
Every Word Status guide tagged Word counts — 2 articles on word counts, readability and writing clearly, with the arithmetic shown and the sources cited.
How Word Length Affects Readability: Data, Formulas, Fixes
Word length moves readability scores more than sentence length, but it is only a proxy for familiarity. See the data, formulas, benchmarks and a 7-step fix.
How Many Words Are in the English Language? (2026 Data)
How many words are in the English language? 171,476 in current use, 600,000 in the OED, over 1 million in print. Fully sourced 2026 data and myths corrected.