infiltration

\ɛ̃.fil.tʁa.sjɔ̃\

/\ɛ̃.fil.tʁa.sjɔ̃\/ noun

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

The verdict

“infiltration” has 18 generated spelling variants in the French index at frequency #15,167. The variants make it a useful spelling check.

#15,167
frequency rank, French
3,561
“I” headwords
18
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Action de s’infiltrer ; produit de cette action.

Corpus desk

Index FR-infiltration · infiltration · French

infiltration · rank #15,167 · 18 variants · 1 confusable

  • FREQ-MID #15,167
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 3,561
  • PHOTO-FINISH inadmissible

Nearest frequency peer: inadmissible (-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 « infiltration »

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

corpus weight

What this shows « infiltration » 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).

infiltration vs infiltrations
92% similar

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

Key facts for infiltration
PropertyValue
Headwordinfiltration
LanguageFrench
Part of speechNoun
IPA\ɛ̃.fil.tʁa.sjɔ̃\
Letters12
Frequency rank#15,167
Misspellings tracked18
Confusable pairs1
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « infiltration »

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).infiltrationse 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 « inadmissible » (#15,166), « inquiétante » (#15,168), « improvisation » (#15,165). Parmi 3,561 lemmes en « I », « infiltration » est au #15,167. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around infiltration (IPA \ɛ̃.fil.tʁa.sjɔ̃\), anoun. Corpus frequency is #15,167 among 3,561 “I” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 18 likely wrong-spelling variants for infiltration, with forms such as "ifniltration", "inffiltration", and "infilltration". 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 1 confusable-pair relationship, "infiltrations", where similar look or sound leads writers to substitute one word for another in context.

No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is infiltration, spelled I-N-F-I-L-T-R-A-T-I-O-N.

Definition

  1. 1
    Action de s’infiltrer ; produit de cette action.
  2. 2
    Pénétration des eaux de pluie ou des eaux superficielles dans le sol ou dans les couches géologiques, naturelle ou favorisée par des dispositifs d’aménagement, et contribuant à l’alimentation des nappes phréatiques ou à la gestion des eaux pluviales.
  3. 3
    Pénétration progressive d’un liquide dans un tissu quelconque.
  4. 4
    Pénétration discrète ou progressive dans un milieu, une organisation ou un territoire.

Recorded use

Wiktionary examples

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

  1. Le sentineau était une ouverture sur le pont, béant au-dessus d’un réservoir destiné à recueillir les eaux d’infiltration.
  2. La raison pour laquelle lustrer sa voiture sur la voie publique est interdit, c’est parce que cette pratique contribue à la pollution de l’environnement. Les eaux savonneuses sont déversées dans la nature au lieu de rejoindre les évacuations des eaux usées. Elles peuvent par la suite se déverser dans le cours d’eau le plus proche par ruissellement ou par…

Synonyms

entrisme

This word in other languages

infiltration(English)

Common misspellings

Also misspelled as:

  • ifniltration
  • inffiltration
  • infilltration
  • infilrtation
  • infiltartion
  • infiltraiton
  • infiltratino
  • infiltrationn
  • infiltratoin
  • infiltrattion
  • infiltrration
  • infiltrtaion
  • infilttration
  • infitlration
  • inflitration
  • inifltration
  • innfiltration
  • nifiltration

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of infiltration - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ifniltration2inffiltration1infilltration1infilrtation2infiltartion2infiltraiton2infiltratino2infiltrationn1
Edit distance from "infiltration"

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 "infiltration"?
"infiltration" is spelled I-N-F-I-L-T-R-A-T-I-O-N. The IPA pronunciation is \ɛ̃.fil.tʁa.sjɔ̃\.
What does "infiltration" mean?
As a noun, "infiltration" means: Action de s’infiltrer ; produit de cette action.
What words are commonly confused with "infiltration"?
"infiltration" is commonly confused with "infiltrations". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "infiltration"?
The IPA (International Phonetic Alphabet) transcription for "infiltration" is \ɛ̃.fil.tʁa.sjɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "infiltration" come from?
"infiltration" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "infiltration", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 12 letters (nearest by frequency rank).

inadmissible#15,166intimidation#15,170humanitaires#15,159expressément#15,142

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

compositeurs18 variantsreconversion18 variantspsychopathe18 variantspornographie18 variants

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

Source: FrequencyWords open word-frequency list