# pacer

> English word · Noun · frequency rank #41,297

## Definitions
1. One who paces.
2. In harness racing, a horse with a gait in which the front and back legs on one side take a step together alternating with the legs on the other side; as opposed to a trotter.
3. A pacemaker (one who sets the pace in a race).
4. A timer in an electric toothbrush that indicates how long the user should spend brushing in each part of the mouth.

## Etymology
From pace + -er.

## Easily confused with
- **per** (https://plainspell.com/en/vs/pacer-vs-per)
- **par** (https://plainspell.com/en/vs/pacer-vs-par)
- **PCR** (https://plainspell.com/en/vs/pacer-vs-pcr)
- **page** (https://plainspell.com/en/vs/pacer-vs-page)
- **pair** (https://plainspell.com/en/vs/pacer-vs-pair)
- **pack** (https://plainspell.com/en/vs/pacer-vs-pack)
- **peer** (https://plainspell.com/en/vs/pacer-vs-peer)
- **pale** (https://plainspell.com/en/vs/pacer-vs-pale)
- **pier** (https://plainspell.com/en/vs/pacer-vs-pier)
- **pact** (https://plainspell.com/en/vs/pacer-vs-pact)
- **pave** (https://plainspell.com/en/vs/pacer-vs-pave)
- **pane** (https://plainspell.com/en/vs/pacer-vs-pane)
- **parr** (https://plainspell.com/en/vs/pacer-vs-parr)
- **paco** (https://plainspell.com/en/vs/pacer-vs-paco)
- **pate** (https://plainspell.com/en/vs/pacer-vs-pate)
- **pare** (https://plainspell.com/en/vs/pacer-vs-pare)
- **Pape** (https://plainspell.com/en/vs/pacer-vs-pape)
- **place** (https://plainspell.com/en/vs/pacer-vs-place)
- **power** (https://plainspell.com/en/vs/pacer-vs-power)
- **paper** (https://plainspell.com/en/vs/pacer-vs-paper)

## Common misspellings (7)
`apcer`, `paccer`, `pacerr`, `pacre`, `paecr`, `pcaer`, `ppacer`

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