How languages are actually learned — methods, vocabulary, and what the research does and does not support. Written by the people building Watch Your Language.

What passive exposure genuinely gives you, what it cannot do on its own, and how to build the rest of a language habit around it.

Two number systems, speech levels, Chinese-origin roots and sound changes: four parts of Korean vocabulary that a plain word list cannot show you.

Ukrainian shifts a name's ending the instant you speak to someone rather than about them, and shifts vowels and consonants inside other words besides.

Counting Japanese vocabulary like French or Spanish misses the point: most kanji carry two readings, and the same word can be written three different ways.

Greek roots in English science words, a case system that changes the noun itself, and the gap between half-remembered Ancient Greek and modern spoken Greek.

Mandarin verbs and nouns never change shape, which sounds like an easy language — the difficulty moves to characters, compounds and measure words instead.

Why reviewing a word just before you forget it works, where the forgetting curve comes from, and the reason most flashcard habits collapse anyway.

Why the Italian past tense depends on which auxiliary a verb takes, whether the participle agrees, and whether you're speaking in the north or south.

Most Polish verbs come in two forms, perfective and imperfective, and skipping one half leaves you unable to say you actually finished anything.

Turkish puts the verb at the very end of the sentence, drops grammatical gender entirely, and spells words exactly the way they are pronounced.

Vosotros vs ustedes, voseo, seseo, and coche vs carro: the real differences between Spain and Latin American Spanish, and how to pick a default.

Dutch sits closer to English than German does, which makes early reading fast, but that same closeness hides false friends and gets you answered in English.

German shares deep roots with English, which makes recognising new words fast, but compounds, separable verbs and false friends make using them another matter.

A1 to C2, counted: how many French words sit at each CEFR level, what each band lets you do, and why 'how many a day' is the better question.

Hangul is a designed alphabet you can learn to read in an afternoon, and that changes what the first weeks of learning Korean actually involve.

Japanese uses three writing systems in the same sentence, and learning them in the wrong order stalls you — here is the sequence that actually works.

Ukrainian Cyrillic shares letters with Russian but not their sounds: which look Latin and lie, which are Ukrainian-only, and why it matters for reading.

Comprehensible input, spaced repetition, speaking early, immersion and passive exposure — what each method does well, where each one fails, and how to combine them.

Mandarin has four tones plus a neutral one, and they change the word, not just the accent — here is what that means for how you should actually learn.

Greek's alphabet is quick to sound out, and English already knows its letters from maths, but several letters share one sound, so spelling is the harder skill.

Polish nouns change shape across seven grammatical cases, and understanding why reshapes how you should actually build a Polish vocabulary list.

English borrowed hundreds of Italian words from music, food and art, but not their double consonants or shifting stress, and both still matter.

Turkish builds words by stacking suffixes onto a stem, so the dictionary form you memorise is rarely the one you meet, once vowel harmony reshapes it.

Why Spanish starts fast on cognates and phonetic spelling, then slows at ser vs estar, gendered nouns, the subjunctive, and sneaky false friends.

Dutch nouns split into just two genders, de and het, but the split is largely unpredictable and only ever surfaces in one narrow adjective ending.

German nouns split into three genders and decline across four grammatical cases, and a word list without the article is missing the part that matters most.
Watch Your Language puts the words you are learning in a widget on your iPhone Lock Screen and on your Apple Watch face, and decides which ones you see next based on the ones you keep forgetting.
Everything written here is what we learned making it work — including the parts where it does not.