The LexiNest Blog

Learn any language’s vocabulary faster — and actually keep it.

Research-backed playbooks on spaced repetition, memory, CEFR levels and the words that matter — from the team building the vocabulary trainer.

Method

Featured · Pillar guide

What Is Spaced Repetition? The Science of Remembering More in Less Time

Spaced repetition is the most efficient way to memorize vocabulary. Learn how the forgetting curve works, why cramming fails, and the simple review schedule that makes thousands of words stick.

Maya Lindqvist9 min readJun 2026

Polish

How to Learn Polish Vocabulary Fast (Without Burning Out)

A realistic 20-minutes-a-day plan for building Polish vocabulary with spaced repetition — which words to learn first, how to handle cases and spelling, and how to stay consistent.

7 min readJun 2026

Method

How Many Words Do You Need to Be Fluent? A Data-Backed Answer

2,000 words? 10,000? Here are the honest numbers for getting by, holding a conversation, and reaching fluency in a new language — and why which words you learn matters more than how many.

6 min readJun 2026

Memory science

The Forgetting Curve: Why You Lose New Words (and How to Stop)

Hermann Ebbinghaus mapped how memory fades in 1885. Here's what the forgetting curve actually shows, the myths around it, and how to use spaced reviews to flatten it for good.

6 min readJun 2026

CEFR levels

A1 to C2 Explained: What Each CEFR Level Really Means

The CEFR levels (A1, A2, B1, B2, C1, C2) decoded in plain English — what you can do at each stage, how many words you need, and how to tell which level you're at right now.

8 min readJun 2026

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