subsonique
\syb.sɔ.nik\
The verdict
“subsonique” is uncommon French (frequency #97,448 among 394,209 “S” headwords), classed as an adjective. The kind of spelling people second-guess.
- #97,448
- frequency rank, French
- 394,209
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - En dessous de la vitesse du son.
Corpus desk
Index FR-subsonique · subsonique · French
subsonique · rank #97,448 · 0 variants · 0 confusables
- FREQ-RARE #97,448
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 394,209
- PHOTO-FINISH submergent
Nearest frequency peer: submergent (-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.
Frequency neighbourhood for “subsonique”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Stephani
Stephani
2,556 corpus weight
- Stoltz
Stoltz
2,555 corpus weight
- submergent
submergent
2,554 corpus weight
- subsonique
subsonique
2,553 corpus weight
- sulpiciens
sulpiciens
2,552 corpus weight
- supranation…
supranationales
2,550 corpus weight
What this shows Bars show where “subsonique” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | subsonique |
| Language | French |
| Part of speech | Adjective |
| IPA | \syb.sɔ.nik\ |
| Letters | 10 |
| Frequency rank | #97,448 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “subsonique” sits in French frequency
Rare enough to double-check
subsonique is uncommon French at frequency #97,448 among 394,209 “S” headwords, classed as anadjective, transcribed \syb.sɔ.nik\. Rarity is why readers land here mid-draft. Gloss: "En dessous de la vitesse du son.".
Our edit-distance generator produced no likely misspellings for subsonique, a sign its spelling follows regular French conventions. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
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 subsonique, spelled S-U-B-S-O-N-I-Q-U-E.
Definition
- 1En dessous de la vitesse du son.
Recorded use
Wiktionary examplesThese source excerpts show how subsonique appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Le Concorde peut effectuer un aller-retour transatlantique en un peu plus de six heures. Actuellement, les caractéristiques de bruyance de cet appareil, volant à des vitesses subsoniques, sont comparables à celles d’un DC-8.
L’effort industriel se concentre sur l’achèvement de la configuration d’étape 2 qui implique la mise au point définitive de l’architecture des sous-systèmes spationiques, propulsion et réservoirs de stockage, l’optimisation de la disposition des volumes pressurisés et non pressurisés, l’amélioration de la forme aérodynamique pour remédier aux défauts d’éq…
Antonyms
This word in other languages
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "subsonique", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 10 letters (nearest by frequency rank).
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.