All human languages have nouns and verbs — but many lack adjectives, adverbs, or other categories found in English.

The word 'set' has the most definitions in the English language — over 430 in the Oxford English Dictionary.

The word 'set' has the most definitions of any word in the English language — over 430.

The oldest continuous written language still in use is Chinese — with over 3,000 years of unbroken written tradition.

The word 'nice' once meant 'foolish' in English — its meaning gradually softened over centuries.

The fear of the number 13 is called triskaidekaphobia — many buildings skip the 13th floor entirely.

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

The Basque language has no known relatives anywhere in the world — it is a true language isolate.

The word 'silly' once meant 'blessed' or 'happy' in Old English.