FiltervsfixerWhich spelling fits?

Quick tell: Filter is a noun, fixer is an adjective, so they fill different roles in a sentence.

Which to use

“Filter” is a noun and “fixer” is an adjective - they look or sound alike but fill different roles in a sentence.

#5,945
“Filter” frequency rank
#48,147
“fixer” frequency rank
54092
confusion score

Side-by-Side Comparison

Feature Filter fixer
Definition Material zur Trennung oder Aussonderung bestimmter Substanzen Nominativ Singular Maskulinum der starken Flexion des Positivs des Adjektivs fix

Where the eye mixes Filter and fixer

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

6 ch
Filter
5 ch
fixer

Why the eye confuses Filter with fixer

These two trip readers on the page rather than in the ear: Filter is [ˈfɪltɐ] while fixer is [ˈfɪksɐ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 54092, derived from the frequency rank of both members and their visual similarity.

Filter is recorded at frequency rank #5,945, classified as anoun, pronounced [ˈfɪltɐ]. fixer is at rank #48,147, tagged as anadj, pronounced [ˈfɪksɐ].

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 54092, this pair ranks #1,032,438 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Filter vs fixer

Shared letters: efir. Private to "Filter": lt. Private to "fixer": x.

"Filter" · 6 letters · shape CVCCVC  ·  "fixer" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Filterffilter · filetr · fillter · filterr · filtre · filtter · fitler · fliter
  • fixerffixer · fiexr · fixerr · fixre · fixxer · fxier · ifxer

Frequently Asked Questions

Can "Filter" and "fixer" be used interchangeably?
No - they are not even the same part of speech. "Filter" is a noun and "fixer" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Filter" or "fixer" show up more?
"Filter" is the more common of the two: it sits at frequency rank #5,945 in our German list, against #48,147 for "fixer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Filter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fixer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,032,438 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Filter" and "fixer" also get mixed up with nearby pairs, the highest-scored neighbour is "Filet vs fixer". 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 #1,032,438 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list