spark plug

\spaʁk plɔɡ\

/\spaʁk plɔɡ\/ noun

The verdict

“spark plug” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Bougie d’allumage.

Key facts for spark plug
PropertyValue
Headwordspark plug
LanguageFrench
Part of speechNoun
IPA\spaʁk plɔɡ\
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “spark plug” sits in French frequency

spark plug falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

spark plug is uncommon French outside the top frequency list, classed as anoun, transcribed \spaʁk plɔɡ\. Rarity is why readers land here mid-draft. Gloss: "Bougie d’allumage.".

Zero misspellings are on record for spark plug in our index, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

This headword's origin isn't recorded in our source data, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is spark plug, spelled S-P-A-R-K- -P-L-U-G.

Definition

  1. 1
    Bougie d’allumage.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "spark plug"?
"spark plug" is spelled S-P-A-R-K- -P-L-U-G. The IPA pronunciation is \spaʁk plɔɡ\.
What does "spark plug" mean?
As a noun, "spark plug" means: Bougie d’allumage.
How do you pronounce "spark plug"?
The IPA (International Phonetic Alphabet) transcription for "spark plug" is \spaʁk plɔɡ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "spark plug" come from?
"spark plug" 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 “spark plug”

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

  • The one correct French spelling is S-P-A-R-K- -P-L-U-G - every other letter order is a misspelling in standard orthography.
  • Say it as \spaʁk plɔɡ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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