Precision vocabulary measurement

Know your
vocabulary.

A precision instrument for measuring, tracking, and expanding your vocabulary in any language.

Test against the 10,000 most important words. Find gaps. Fill them. Track your CEFR level with scientific accuracy.

10k
words per language
A1–C2
CEFR tracking
42+
languages

Methodology

Precision vocabulary measurement

01

Zero-in

Quick multiple-choice tests rapidly narrow down your vocabulary level using binary search. Know your number in minutes, not hours.

02

Map the gaps

A heatmap of your vocabulary reveals exactly which words you're missing. See the holes. Prioritize what matters most.

03

Fill precisely

Translation tests with real sentences. AI-powered spaced repetition. Voice mode. Every session is a precision strike.

nwords.live
A precision vocabulary tool.