The word 'lethologica' describes the inability to remember the word you want.

Shakespeare invented over 1,700 words still used in English today, including 'bedroom,' 'lonely,' and 'generous.'

Esperanto, invented in 1887, is the world's most widely spoken constructed language with an estimated 2 million speakers.

English has the largest vocabulary of any language — the Oxford English Dictionary contains over 600,000 words.

The word 'OK' may be the most recognized word in the world — it's understood in virtually every language.

The word 'disaster' comes from the Italian 'disastro' — literally meaning 'bad star,' reflecting ancient belief in astral influence on fate.

The apostrophe was introduced into English in the 16th century — its rules have never been consistently applied.

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

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