Articles About study apps

The 100 most common Korean words, counted in 12 million words of real Korean, with romanization, meanings and how much of a real text they cover.

We counted the 292 words on Google's top Australian slang lists in Aussie web text from 2002 and 2020. Here's what Aussies really say, and what to skip.

We measured 307 British slang words from Google's top lists in British and American books. Here are the ones Brits really use, and the ones to skip.

We counted 183 fancy words from the top Google lists in 10 years of American books. These 48 sound smart and still get understood; 10 are best skipped.

We counted every Words in Context question in College Board's 8 current SAT practice tests: the 82 right answers, the decoys and how common each word really is.

The 100 most common German words, counted in 10.9 million words of film and TV German, with der, die or das, meanings and how much of the language they cover.

The 100 most common Japanese words, counted in 21 million words of everyday Japanese, with readings, meanings and how much of the language they cover.

We checked 28 Spanish apps in the US App Store on 2026-10-24: what each one is for, which Spanish it teaches, its rating and what a year costs.

Arabic, Mandarin, Cantonese, Japanese and Korean take an English speaker 88 weeks of full-time study. Here is the current FSI list, checked and explained.