# proficiency

> English word · Noun · IPA /pɹəˈfɪʃənsi/ · frequency rank #16,567

## Definitions
1. Ability, skill, competence.

## Etymology
From proficient or its etymon, Latin prōficiēns (present participle of prōficiō), + -ency.

## Easily confused with
- **proficient** (https://plainspell.com/en/vs/proficiency-vs-proficient)

## Common misspellings (17)
`porficiency`, `pproficiency`, `prfoiciency`, `profciiency`, `profficiency`, `proficciency`, `proficeincy`, `proficiecny`, `proficienccy`, `proficiencyy`, `proficienncy`, `proficienyc`, `proficinecy`, `profiicency`, `proifciency`, `prroficiency`, `rpoficiency`

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