Which to use
“folded” is a verb and “folder” is a noun - they look or sound alike but fill different roles in a sentence.
- #9,899
- “folded” frequency rank
- #10,548
- “folder” frequency rank
- 20447
- confusion score
Side-by-Side Comparison
| Feature | folded | folder |
|---|---|---|
| Definition | simple past and past participle of fold | An organizer that papers are kept in, usually with an index tab, to be stored as a single unit in a filing cabinet. |
Where the eye mixes folded and folder
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between folded and folder
These two trip readers on the page rather than in the ear: folded is /ˈfoʊldɪd/ while folder is /ˈfoʊɫdɚ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “folded” becomes r in “folder”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20447, derived from the frequency rank of both members and their visual similarity.
folded is recorded at frequency rank #9,899, classified as averb, pronounced /ˈfoʊldɪd/. folder is at rank #10,548, tagged as anoun, pronounced /ˈfoʊɫdɚ/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 20447, this pair ranks #431,020 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of folded vs folder
Shared letters: deflo. Private to "folded": -. Private to "folder": r.
"folded" · 6 letters · shape CVCCVC · "folder" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "folded" and "folder" be used interchangeably?
In ordinary English text, does "folded" or "folder" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "folded" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "folder" - compare definitions side by side with the headword page. Word entry
- This pair ranks #431,020 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "folded" and "folder" also get mixed up with nearby pairs, the highest-scored neighbour is "fader vs folder". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #431,020 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.