filtre

\filtʁ\

/\filtʁ\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“filtre” is a regularly-used French word, ranked #6,298 in French word frequency and used as a noun.

#6,298
frequency rank, French
6
letters
9
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Corps poreux (feutre, papier, charbon, etc.) au travers duquel on fait passer une substance liquide, gazeuse ou corpusculaire (la lumière, le courant électrique), pour la clarifier, l’épurer ou en ...

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

filtre vs fire
67% similar
filtre vs flore
67% similar
filtre vs foutre
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for filtre
PropertyValue
Headwordfiltre
LanguageFrench
Part of speechNoun
IPA\filtʁ\
Letters6
Frequency rank#6,298
Misspellings tracked9
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “filtre” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). filtre lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The French entry for filtre is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \filtʁ\. Corpus data places it at rank #6,298 in overall French word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 9 likely wrong-spelling variants for filtre, with forms such as "ffiltre", "filltre", and "filrte". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "fire", "flore", "foutre", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is filtre, spelled F-I-L-T-R-E.

Definition

  1. 1
    Corps poreux (feutre, papier, charbon, etc.) au travers duquel on fait passer une substance liquide, gazeuse ou corpusculaire (la lumière, le courant électrique), pour la clarifier, l’épurer ou en séparer certains éléments.
  2. 2
    Dispositif conçu pour épurer, séparer des éléments.
  3. 3
    Filtre à café, filtre à air, etc.
  4. 4
    Dispositif de sélection ou séparation de certaines ondes électriques ou électroacoustiques
  5. 5
    Tamis, tri.
  6. 6
    Café (boisson) obtenu grâce à un filtre.
  7. 7
    Structure définie sur un ensemble, permettant d’étendre la notion de limite.
  8. 8
    Dispositif mental influant sur la perception d'une réalité. → voir prisme

This word in other languages

filter(English)filtro(Español)Filter(Deutsch)filtro(Português)

Common misspellings

Also misspelled as: ffiltre,filltre,filrte,filter,filtrre,filttre,fitlre,flitre,ifltre

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of filtre - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ffiltre1filltre1filrte2filter2filtrre1filttre1fitlre2flitre2
Edit distance from "filtre"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "filtre"?
"filtre" is spelled F-I-L-T-R-E. The IPA pronunciation is \filtʁ\.
What does "filtre" mean?
As a noun, "filtre" means: Corps poreux (feutre, papier, charbon, etc.) au travers duquel on fait passer une substance liquide, gazeuse ou corpusculaire (la lumière, le courant électrique), pour la clarifier, l’épurer ou en ...
What words are commonly confused with "filtre"?
"filtre" is commonly confused with "fire", "flore", "foutre". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "filtre"?
The IPA (International Phonetic Alphabet) transcription for "filtre" is \filtʁ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "filtre" come from?
"filtre" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “filtre”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is F-I-L-T-R-E - every other letter order is a misspelling in standard orthography.
  • Say it as \filtʁ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “fire” - see the side-by-side comparison. filtre vs fire
  • Browse more French words and confusable pairs in the same reference. French words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list