FiltervsfolternWhat's the difference?

Quick tell: Filter is a noun, foltern is a verb, so they fill different roles in a sentence.

Which to use

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

#5,945
“Filter” frequency rank
#27,302
“foltern” frequency rank
33247
confusion score

Side-by-Side Comparison

Feature Filter foltern
Definition Material zur Trennung oder Aussonderung bestimmter Substanzen jemandem (physisch oder psychisch) heftigen Schmerz zufügen

Where the eye mixes Filter and foltern

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
Filter
7 ch
foltern

Look-alike desk: Filter vs foltern

These two trip readers on the page rather than in the ear: Filter is [ˈfɪltɐ] while foltern is [ˈfɔltɐn]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 33247, 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]. foltern is at rank #27,302, tagged as averb, pronounced [ˈfɔltɐn].

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 33247, this pair ranks #1,690,134 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Filter vs foltern

Shared letters: eflrt. Private to "Filter": i. Private to "foltern": no.

"Filter" · 6 letters · shape CVCCVC  ·  "foltern" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • Filterffilter · filetr · fillter · filterr · filtre · filtter · fitler · fliter
  • folternffoltern · flotern · foletrn · folltern · foltenr · folternn · folterrn · foltren

Frequently Asked Questions

Do "Filter" and "foltern" mean the same thing in a sentence?
No - they are not even the same part of speech. "Filter" is a noun and "foltern" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Filter" or "foltern"?
"Filter" is the more common of the two: it sits at frequency rank #5,945 in our German list, against #27,302 for "foltern". 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 "foltern" 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 "foltern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,690,134 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Filter" and "foltern" also get mixed up with nearby pairs, the highest-scored neighbour is "Flyern vs foltern". 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 #1,690,134 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