fifty

/ˈfɪfti/

//ˈfɪfti// num

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

"fifty" is a 5-letter English headword indexed on PlainSpell.

The verdict

“fifty” has 8 generated spelling variants in the English index at frequency #4,376. The variants make it a useful spelling check.

#4,376
frequency rank, English
2,507
“F” headwords
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The cardinal number occurring after forty-nine and before fifty-one.

Corpus desk

Index EN-fifty · fifty · English

fifty · rank #4,376 · 8 variants · 20 confusables

  • FREQ-COMMON #4,376
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 8 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH existed

Nearest frequency peer: existed (-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 “fifty”

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

corpus weight

What this shows “fifty” 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).

fifty vs fit
60% similar
fifty vs fits
60% similar
fifty vs fist
60% similar

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

Key facts for fifty
PropertyValue
Headwordfifty
LanguageEnglish
Part of speechNumeral
IPA/ˈfɪfti/
Letters5
Frequency rank#4,376
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “fifty”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).fiftylands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “existed” (#4,375), “execution” (#4,374), “fool” (#4,378). Among 2,507 “F” headwords, “fifty” is #4,376. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around fifty (IPA /ˈfɪfti/), anumeral. Corpus frequency is #4,376 among 2,507 “F” headwords. Dominant gloss: "The cardinal number occurring after forty-nine and before fifty-one.".

Our generated misspelling index lists 8 likely wrong-spelling variants for fifty, with forms such as "ffifty", "ffity", and "fiffty". 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 20 confusable-pair relationships, "fit", "fits", "fist", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: PIE word *pénkʷe From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty. The correct English form is fifty, spelled F-I-F-T-Y.

Definition

  1. 1
    The cardinal number occurring after forty-nine and before fifty-one.

Recorded use

Wiktionary examples

These source excerpts show how fifty appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Searching again, he noticed something that had eluded him before: a single flower, a gentian, blooming not fifty feet in front of them, where, by all rights, there ought to be solid rock.
  2. Accounts with between fifty thousand and two hundred thousand followers are considered “microinfluencers,” and tend to have higher engagement rates—that is, a larger share of their followers like, favorite, or comment on their posts—than those with millions of followers.

Etymology

PIE word *pénkʷe From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty.

Synonyms

50Lfivety

This word in other languages

cincuenta(Español)cinquante(Français)fünfzig(Deutsch)

Common misspellings

Also misspelled as:

  • ffifty
  • ffity
  • fiffty
  • fiftty
  • fiftyy
  • fifyt
  • fitfy
  • iffty

Misspelling Pattern Breakdown

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

ffifty1ffity2fiffty1fiftty1fiftyy1fifyt2fitfy2iffty2
Edit distance from "fifty"

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 "fifty"?
"fifty" is spelled F-I-F-T-Y. The IPA pronunciation is /ˈfɪfti/.
What does "fifty" mean?
As a numeral, "fifty" means: The cardinal number occurring after forty-nine and before fifty-one.
What words are commonly confused with "fifty"?
"fifty" is commonly confused with "fit", "fits", "fist". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "fifty"?
The IPA (International Phonetic Alphabet) transcription for "fifty" is /ˈfɪfti/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "fifty"?
PIE word *pénkʷe From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty. 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 "fifty", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

Delhi#4,365dated#4,362cited#4,357candy#4,352

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

carrier8 variantssucceed8 variantsregime8 variantsracial8 variants

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

Source: FrequencyWords open word-frequency list