faltervsfolderWhich spelling fits?

Which to use

“falter” and “folder” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,137
“falter” frequency rank
#10,548
“folder” frequency rank
46685
confusion score

Side-by-Side Comparison

Feature falter folder
Definition An unsteadiness. 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 falter and folder

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
falter
6 ch
folder

Look-alike desk: falter vs folder

A purely visual mix-up. falter (/ˈfɒltə/) and folder (/ˈfoʊɫdɚ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 46685, derived from the frequency rank of both members and their visual similarity.

falter is recorded at frequency rank #36,137, classified as anoun, pronounced /ˈfɒltə/. 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 46685, this pair ranks #209,408 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of falter vs folder

Shared letters: eflr. Private to "falter": at. Private to "folder": do.

"falter" · 6 letters · shape CVCCVC  ·  "folder" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • falteraflter · faletr · fallter · falterr · faltre · fatler · ffalter
  • folderffolder · floder · fodler · foldder · folderr · foldre · foledr · follder

Frequently Asked Questions

Is swapping "falter" for "folder" ever safe?
No. They are said differently (/ˈfɒltə/ versus /ˈfoʊɫdɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "falter" or "folder" show up more?
"folder" is the more common of the two: it sits at frequency rank #10,548 in our English list, against #36,137 for "falter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "falter" and "folder" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "falter" 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 #209,408 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "falter" and "folder" also get mixed up with nearby pairs, the highest-scored neighbour is "fader vs falter". 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 #209,408 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list