# aptitude

> English word · Noun · IPA /ˈæptɪˌtjuːd/ · frequency rank #22,291

## Definitions
1. Natural ability to acquire knowledge or skill.
2. The condition of being suitable.

## Etymology
From Middle French aptitude, from Medieval Latin aptitudo, from Latin aptus (“apt, fit”). By surface analysis, apt + -itude. Doublet of attitude.

## Easily confused with
- **attitude** (https://plainspell.com/en/vs/aptitude-vs-attitude)
- **altitude** (https://plainspell.com/en/vs/altitude-vs-aptitude)
- **amplitude** (https://plainspell.com/en/vs/amplitude-vs-aptitude)

## Common misspellings (11)
`apittude`, `apptitude`, `aptitdue`, `aptittude`, `aptitudde`, `aptitued`, `aptiutde`, `apttitude`, `apttiude`, `atpitude`, `patitude`

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