formulae

/ˈfɔː(ɹ).mjə.li/

//ˈfɔː(ɹ).mjə.li// noun

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

"formulae" is a 8-letter English headword indexed on PlainSpell.

The verdict

“formulae” has 11 generated spelling variants in the English index at frequency #38,402. The variants make it a useful spelling check.

#38,402
frequency rank, English
2,507
“F” headwords
11
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - plural of formula

Corpus desk

Index EN-formulae · formulae · English

formulae · rank #38,402 · 11 variants · 3 confusables

  • FREQ-MID #38,402
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 11 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH flue

Nearest frequency peer: flue (-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.

Rank peers near misspelling magnet “formulae”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “formulae” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

formulae vs formulate
89% similar
formulae vs formulaic
78% similar
formulae vs formula
88% similar

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

Key facts for formulae
PropertyValue
Headwordformulae
LanguageEnglish
Part of speechNoun
IPA/ˈfɔː(ɹ).mjə.li/
Letters8
Frequency rank#38,402
Misspellings tracked11
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “formulae”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).formulaelands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “flue” (#38,401), “Frankfort” (#38,403), “flirtatious” (#38,400). Among 2,507 “F” headwords, “formulae” is #38,402. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around formulae (IPA /ˈfɔː(ɹ).mjə.li/), anoun. Corpus frequency is #38,402 among 2,507 “F” headwords. Dominant gloss: "plural of formula".

Our generated misspelling index lists 11 likely wrong-spelling variants for formulae, with forms such as "fformulae", "fomrulae", and "formluae". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "formulate", "formulaic", "formula", a pairing that trips writers up because the two words share enough sound or shape to blur together.

No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is formulae, spelled F-O-R-M-U-L-A-E.

Definition

  1. 1
    plural of formula

Common misspellings

Also misspelled as:

  • fformulae
  • fomrulae
  • formluae
  • formmulae
  • formuale
  • formulea
  • formullae
  • forrmulae
  • forumlae
  • fromulae
  • ofrmulae

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of formulae - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

fformulae1fomrulae2formluae2formmulae1formuale2formulea2formullae1forrmulae1
Edit distance from "formulae"

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 "formulae"?
"formulae" is spelled F-O-R-M-U-L-A-E. The IPA pronunciation is /ˈfɔː(ɹ).mjə.li/.
What does "formulae" mean?
As a noun, "formulae" means: plural of formula
What words are commonly confused with "formulae"?
"formulae" is commonly confused with "formulate", "formulaic", "formula". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "formulae"?
The IPA (International Phonetic Alphabet) transcription for "formulae" is /ˈfɔː(ɹ).mjə.li/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "formulae" come from?
"formulae" is a English 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.

Similar English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

futurama#38,407Figueroa#38,395gatherer#38,411Grassley#38,418

Similar misspelling depth

Headwords with a similar count of attested misspellings (11 here; floor ≥5).

fuckery11 variantsGnostic11 variantsDjibouti11 variantsdeadbeat11 variants

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

Source: FrequencyWords open word-frequency list