The longest palindrome in English is a sentence: 'A man, a plan, a canal: Panama.'

There are about 7,000 languages spoken on Earth today, but roughly half are endangered.

Esperanto has around 2 million speakers and was invented in 1887 by Ludwig Lazarus Zamenhof.

There is a word in Japanese, 'tsundoku', meaning buying books and never reading them.

There are no true synonyms — words with similar meanings always differ in connotation, register, or use.

The longest word in the English language without a vowel is 'rhythms.'

Sign languages are complete natural languages — they are not universal and vary by country.

Sanskrit has the most perfect grammatical structure ever analyzed by linguists.

The fear of running out of coffee has a name: cenosillicaphobia applies specifically to an empty glass, but cafephobia covers coffee avoidance.