Hello feels ancient, but it became common in the 1800s. Earlier English speakers often greeted people in very different ways.

Pea began as pease. When speakers treated pease like a plural, they created a new singular form: pea.

Palindromes read the same forward and backward. Learn how they work in words, numbers, and phrases, with quick examples.

Flammable and inflammable both mean easy to catch fire. Here is why they match, and why many safety labels now prefer flammable.