# folder

> English word · Noun · IPA /ˈfoʊɫdɚ/ · frequency rank #10,548

## Definitions
1. An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet.
2. A virtual container in a computer's file system, in which files and other folders may be stored. The files and subfolders in a folder are usually related.
3. A machine or person that folds things.
4. A folding knife, typically a pocketknife.

## Etymology
From fold + -er.

## Easily confused with
- **foley** (https://plainspell.com/en/vs/folder-vs-foley)
- **folds** (https://plainspell.com/en/vs/folder-vs-folds)
- **foyer** (https://plainspell.com/en/vs/folder-vs-foyer)
- **former** (https://plainspell.com/en/vs/folder-vs-former)
- **foster** (https://plainspell.com/en/vs/folder-vs-foster)
- **fuller** (https://plainspell.com/en/vs/folder-vs-fuller)
- **fowler** (https://plainspell.com/en/vs/folder-vs-fowler)
- **footer** (https://plainspell.com/en/vs/folder-vs-footer)
- **founder** (https://plainspell.com/en/vs/folder-vs-founder)
- **flyer** (https://plainspell.com/en/vs/flyer-vs-folder)
- **flier** (https://plainspell.com/en/vs/flier-vs-folder)
- **fader** (https://plainspell.com/en/vs/fader-vs-folder)
- **filter** (https://plainspell.com/en/vs/filter-vs-folder)
- **folded** (https://plainspell.com/en/vs/folded-vs-folder)
- **feeder** (https://plainspell.com/en/vs/feeder-vs-folder)
- **filler** (https://plainspell.com/en/vs/filler-vs-folder)
- **fender** (https://plainspell.com/en/vs/fender-vs-folder)
- **fodder** (https://plainspell.com/en/vs/fodder-vs-folder)
- **finder** (https://plainspell.com/en/vs/finder-vs-folder)
- **falter** (https://plainspell.com/en/vs/falter-vs-folder)

## Common misspellings (9)
`ffolder`, `floder`, `fodler`, `foldder`, `folderr`, `foldre`, `foledr`, `follder`, `oflder`

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