# bolt vs book

> English confusable word pair

## The two words

### bolt
*noun · IPA /bɒlt/ · frequency rank #6,659*
A (usually) metal fastener consisting of a cylindrical body that is threaded, with a larger head on one end. It can be inserted into an unthreaded hole up to the head, with a nut then threaded on the other end; a heavy machine screw.

### book
*noun · IPA /bʊk/ · frequency rank #353*
A collection of sheets of paper bound together to hinge at one edge, containing printed or written material, pictures, etc.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/bolt-vs-book