CFT

noun

By · According to Wiktionary data (CC BY-SA) ·

"cft" is a 3-letter English headword indexed on PlainSpell.

The verdict

“CFT” is uncommon English (frequency #66,551 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#66,551
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of conformal field theory.

Corpus desk

Index EN-cft · CFT · English

CFT · rank #66,551 · 0 variants · 0 confusables

  • FREQ-RARE #66,551
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH cerulean

Nearest frequency peer: cerulean (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Long-tail ranks near “CFT”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “CFT” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for CFT
PropertyValue
HeadwordCFT
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#66,551
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “CFT” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).CFTfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “cerulean” (#66,550), “Cerf” (#66,549), “centrale” (#66,548). Among 5,599 “C” headwords, “CFT” is #66,551. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

CFT is uncommon English at frequency #66,551 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. 4 senses are on record.

CFT has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Abbreviation. The correct English form is CFT, spelled C-F-T.

Definition

  1. 1
    Initialism of conformal field theory.
  2. 2
    Initialism of continuous Fourier transform.
  3. 3
    Initialism of conformal fuel tank
  4. 4
    Initialism of countering the financing of terrorism.

Etymology

Abbreviation.

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "CFT"?
"CFT" is spelled C-F-T.
What does "CFT" mean?
As a noun, "CFT" means: Initialism of conformal field theory.
What is the origin of the word "CFT"?
Abbreviation. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "CFT", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

BDC#66,498BCI#66,497ESG#66,644AEA#66,442

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list