French letter

noun

"french-letter" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A condom.

Key facts for French letter
PropertyValue
HeadwordFrench letter
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “French letter” sits in English frequency

French letter falls outside the top-100,000 ranked English 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

French letter is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A condom.".

The misspelling generator found no plausible variants for French letter, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From French + letter. Compare earlier French pox, French-sick (“syphilis”), or later French safe, French tickler (“condom”), or French kiss. Attested from the 19th century. The correct English form is French letter, spelled F-R-E-N-C-H- -L-E-T-T-E-R.

Definition

  1. 1
    A condom.

Etymology

From French + letter. Compare earlier French pox, French-sick (“syphilis”), or later French safe, French tickler (“condom”), or French kiss. Attested from the 19th century.

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 "French letter"?
"French letter" is spelled F-R-E-N-C-H- -L-E-T-T-E-R.
What does "French letter" mean?
As a noun, "French letter" means: A condom.
What is the origin of the word "French letter"?
From French + letter. Compare earlier French pox, French-sick (“syphilis”), or later French safe, French tickler (“condom”), or French kiss. Attested from the 19th century. See the full etymology section above for more details.
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 “French letter”

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

  • The one correct English spelling is F-R-E-N-C-H- -L-E-T-T-E-R - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English 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