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
French

Le or La? How to Know a French Noun's Gender (Without Guessing)

Every French noun is masculine or feminine — but the ending usually gives it away. The reliable patterns, the exceptions worth memorizing, and how to make le vs la automatic.

8 min readJul 2026
Polish

Polish Comparatives and Superlatives: A Simple Guide to Stopniowanie

Bigger, better, the best — how Polish adjectives change for comparison. The three ways to form the comparative and superlative, the irregulars worth memorizing, and how to practice them.

7 min readJul 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
Spanish

Ser vs Estar: When to Use Each (With a Rule That Actually Works)

Ser and estar both mean 'to be' in Spanish — but they're not interchangeable. The identity-vs-state rule, the key exceptions, and how to drill it until it sticks.

8 min readJun 2026
German

Der, Die, Das: How to Actually Guess German Noun Genders

German noun genders feel random — but they're not. Here are the reliable der/die/das rules, the endings that give gender away, and the smart way to learn it: with the article baked in.

8 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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