Portmanteau words combine two words — 'breakfast + lunch = brunch,' 'smoke + fog = smog.'

The language with the most native speakers is Mandarin Chinese, followed by Spanish and English.

There are approximately 7,000 languages spoken in the world — about half are expected to disappear by end of the century.

The word 'quarantine' comes from Italian 'quarantina' — meaning 40 days — the period ships were isolated during plague.

Fear of long words is called hippopotomonstrosesquippedaliophobia.

The word 'set' has 430 definitions in the Oxford English Dictionary — the most of any English word.

About 7,000 languages are spoken in the world today — one dies roughly every two weeks.

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

The word 'assassin' derives from the Arabic 'hashishin' — a medieval Islamic sect's name.