booster

\bus.tœʁ\

/\bus.tœʁ\/ noun

The verdict

“booster” is a moderately-common French word, ranked #15,820 in French word frequency and used as a noun.

#15,820
frequency rank, French
7
letters
10
tracked misspellings
10
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Facteur de motivation, stimulant, incitant.

Visual similarity to commonly confused words

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

booster vs bosser
71% similar
booster vs buster
71% similar
booster vs botter
71% similar

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

Key facts for booster
PropertyValue
Headwordbooster
LanguageFrench
Part of speechNoun
IPA\bus.tœʁ\
Letters7
Frequency rank#15,820
Misspellings tracked10
Confusable pairs10
SourceWiktionary (kaikki.org)

Where “booster” 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). booster 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 booster is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \bus.tœʁ\. Corpus data places it at rank #15,820 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 10 likely wrong-spelling variants for booster, with forms such as "bbooster", "boosetr", and "boosster". 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 10 confusable-pair relationships, "bosser", "buster", "botter", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is booster, spelled B-O-O-S-T-E-R.

Definition

  1. 1
    Facteur de motivation, stimulant, incitant.
  2. 2
    Augmentation importante mais de durée limitée des capacités d’un personnage ou d’un véhicule dans un jeu vidéo.
  3. 3
    Pochette de cartes supplémentaires dans les jeux de cartes à collectionner.
  4. 4
    Procédé qui augmente la vitesse d’un revêtement de raquette de tennis de table.
  5. 5
    Appareil d’aide au démarrage d’un véhicule qui apporte plus de puissance à la batterie pendant un court instant.

This word in other languages

Common misspellings

Also misspelled as: bbooster,boosetr,boosster,boosterr,boostre,boostter,bootser,bosoter,boster,oboster

Misspelling Pattern Breakdown

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

bbooster1boosetr2boosster1boosterr1boostre2boostter1bootser2bosoter2
Edit distance from "booster"

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 "booster"?
"booster" is spelled B-O-O-S-T-E-R. The IPA pronunciation is \bus.tœʁ\.
What does "booster" mean?
As a noun, "booster" means: Facteur de motivation, stimulant, incitant.
What words are commonly confused with "booster"?
"booster" is commonly confused with "bosser", "buster", "botter". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "booster"?
The IPA (International Phonetic Alphabet) transcription for "booster" is \bus.tœʁ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "booster" come from?
"booster" 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.

Using “booster”

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

  • The one correct French spelling is B-O-O-S-T-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as \bus.tœʁ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “bosser” - see the side-by-side comparison. booster vs bosser
  • 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