The Oxford English Corpus contains over 2.5 billion words. The Oxford English Corpus is a collection of 21st-century texts and is used to track the way English changes over time.

The Oxford English Corpus contains over 2.5 billion words. The Oxford English Corpus is a collection of 21st-century texts and is used to track the way English changes over time.

The Oxford English Corpus contains over 2.5 billion words. The Oxford English Corpus is a collection of 21st-century texts and is used to track the way English changes over time.

The Oxford English Corpus contains over 2.5 billion words. The Oxford English Corpus is a collection of 21st-century texts and is used to track the way English changes over time.

The Oxford English Corpus contains over 2.5 billion words. The Oxford English Corpus is a collection of 21st-century texts and is used to track the way English changes over time.

Words have a lifespan of anywhere between 1,000 and 20,000 years. More commonly used words tend to last longer.