infiltrer

\ɛ̃.fil.tʁe\

/\ɛ̃.fil.tʁe\/ verb

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

The verdict

“infiltrer” has 14 generated spelling variants in the French index at frequency #21,046. The variants make it a useful spelling check.

#21,046
frequency rank, French
3,561
“I” headwords
14
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pénétrer dans le sol ou dans des roches poreuses, en parlant de l’eau.

Corpus desk

Index FR-infiltrer · infiltrer · French

infiltrer · rank #21,046 · 14 variants · 3 confusables

  • FREQ-MID #21,046
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,561
  • PHOTO-FINISH inconcevable

Nearest frequency peer: inconcevable (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Pairs de rang près de l'aimant d'erreurs « infiltrer »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « infiltrer » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

infiltrer vs infiltrés
78% similar
infiltrer vs infiltre
89% similar
infiltrer vs infiltrée
78% similar

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

Key facts for infiltrer
PropertyValue
Headwordinfiltrer
LanguageFrench
Part of speechVerb
IPA\ɛ̃.fil.tʁe\
Letters9
Frequency rank#21,046
Misspellings tracked14
Confusable pairs3
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « infiltrer »

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).infiltrerse place ici:

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

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Dans la même bande de rareté figurent « inconcevable » (#21,045), « incluses » (#21,044), « ingénieux » (#21,048). Parmi 3,561 lemmes en « I », « infiltrer » est au #21,046. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around infiltrer (IPA \ɛ̃.fil.tʁe\), averb. Corpus frequency is #21,046 among 3,561 “I” headwords. Wiktionary lists 5 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for infiltrer, with forms such as "ifniltrer", "inffiltrer", and "infilltrer". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 3 confusable-pair relationships, "infiltrés", "infiltre", "infiltrée", where similar look or sound leads writers to substitute one word for another in context.

This headword's origin isn't recorded in our source data, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is infiltrer, spelled I-N-F-I-L-T-R-E-R.

Definition

  1. 1
    Pénétrer dans le sol ou dans des roches poreuses, en parlant de l’eau.
  2. 2
    Pénétrer par des interstices ou des fissures, en parlant d’un fluide quelconque (gaz, huile, etc.).
  3. 3
    Pénétrer et s’amasser dans un tissu quelconque.
  4. 4
    Se diffuser dans un ensemble.
  5. 5
    S'introduire dans un groupe (bande, communauté, cartel, ...) par le biais d'un agent - appelé taupe - pour y collecter des informations directes afin de cerner son activité.

Recorded use

Wiktionary examples

These source excerpts show how infiltrer appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. La rue de Normandie est une de ces vieilles rues à chaussée fendue, où la ville de Paris n’a pas encore mis de bornes-fontaines, et dont le ruisseau noir roule péniblement les eaux ménagères de toutes les maisons, qui s’infiltrent sous les pavés et y produisent cette boue particulière à la ville de Paris.
  2. Les terres en général sont froides et compactes ; les eaux pluviales s'y infiltrent lentement et les rendent fort humides pendant l'hiver et le printemps ; on les désigne, dans le pays, sous le nom de gruette et de bournais.

This word in other languages

infiltrate(English)

Common misspellings

Also misspelled as:

  • ifniltrer
  • inffiltrer
  • infilltrer
  • infilrter
  • infilterr
  • infiltrerr
  • infiltrre
  • infiltrrer
  • infilttrer
  • infitlrer
  • inflitrer
  • inifltrer
  • innfiltrer
  • nifiltrer

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of infiltrer - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

ifniltrer2inffiltrer1infilltrer1infilrter2infilterr2infiltrerr1infiltrre2infiltrrer1
Edit distance from "infiltrer"

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 "infiltrer"?
"infiltrer" is spelled I-N-F-I-L-T-R-E-R. The IPA pronunciation is \ɛ̃.fil.tʁe\.
What does "infiltrer" mean?
As a verb, "infiltrer" means: Pénétrer dans le sol ou dans des roches poreuses, en parlant de l’eau.
What words are commonly confused with "infiltrer"?
"infiltrer" is commonly confused with "infiltrés", "infiltre", "infiltrée". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "infiltrer"?
The IPA (International Phonetic Alphabet) transcription for "infiltrer" is \ɛ̃.fil.tʁe\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "infiltrer" come from?
"infiltrer" 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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "infiltrer", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 9 letters (nearest by frequency rank).

ingénieux#21,048imposture#21,042innovante#21,050insistent#21,051

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

Hamburger14 variantsGroenland14 variantslointaines14 variantsMacdonald14 variants

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

Source: FrequencyWords open word-frequency list