souterrain

\su.tɛ.ʁɛ̃\

/\su.tɛ.ʁɛ̃\/ adj

The verdict

“souterrain” is a moderately-common French word, ranked #12,673 in French word frequency and used as an adjective.

#12,673
frequency rank, French
10
letters
12
tracked misspellings
4
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Qui est sous terre.

Visual similarity to commonly confused words

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

souterrain vs souverain
80% similar
souterrain vs souterraine
91% similar
souterrain vs souterrains
91% similar

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

Key facts for souterrain
PropertyValue
Headwordsouterrain
LanguageFrench
Part of speechAdjective
IPA\su.tɛ.ʁɛ̃\
Letters10
Frequency rank#12,673
Misspellings tracked12
Confusable pairs4
SourceWiktionary (kaikki.org)

Where “souterrain” 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). souterrain 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 souterrain is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as \su.tɛ.ʁɛ̃\. Corpus data places it at rank #12,673 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for souterrain, with forms such as "osuterrain", "sotuerrain", and "souetrrain". 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 4 confusable-pair relationships, "souverain", "souterraine", "souterrains", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

No explicit etymology string is stored for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct French form is souterrain, spelled S-O-U-T-E-R-R-A-I-N.

Definition

  1. 1
    Qui est sous terre.
  2. 2
    Qualifie des pratiques invisibles dont le résultat n’est perceptible qu’après un long processus.
  3. 3
    Qualifie des pratiques cachées pour parvenir à ses fins.
  4. 4
    Qualifie un pan de l’économie dont les activités légales se développent en dehors des règles juridiques et fiscales d’un pays et échappent ainsi à toute comptabilisation et taxation.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: osuterrain,sotuerrain,souetrrain,souterain,souterarin,souterrainn,souterrani,souterrian,soutrerain,soutterrain,ssouterrain,suoterrain

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of souterrain - 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.

osuterrain2sotuerrain2souetrrain2souterain1souterarin2souterrainn1souterrani2souterrian2
Edit distance from "souterrain"

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 "souterrain"?
"souterrain" is spelled S-O-U-T-E-R-R-A-I-N. The IPA pronunciation is \su.tɛ.ʁɛ̃\.
What does "souterrain" mean?
As an adjective, "souterrain" means: Qui est sous terre.
What words are commonly confused with "souterrain"?
"souterrain" is commonly confused with "souverain", "souterraine", "souterrains". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "souterrain"?
The IPA (International Phonetic Alphabet) transcription for "souterrain" is \su.tɛ.ʁɛ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "souterrain" come from?
"souterrain" 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 “souterrain”

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

  • The one correct French spelling is S-O-U-T-E-R-R-A-I-N - every other letter order is a misspelling in standard orthography.
  • Say it as \su.tɛ.ʁɛ̃\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “souverain” - see the side-by-side comparison. souterrain vs souverain
  • 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