fullback

/ˈfʊlˌbæk/

//ˈfʊlˌbæk// noun

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

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

The verdict

“fullback” has 11 generated spelling variants in the English index at frequency #21,804. The variants make it a useful spelling check.

#21,804
frequency rank, English
2,507
“F” headwords
11
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.

Corpus desk

Index EN-fullback · fullback · English

fullback · rank #21,804 · 11 variants · 1 confusable

  • FREQ-MID #21,804
  • LEN-LONG 8 letters
  • VOW-2 2 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 11 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH fuji

Nearest frequency peer: fuji (-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 “fullback”

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

corpus weight

What this shows “fullback” 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).

fullback vs fallback
88% similar

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

Key facts for fullback
PropertyValue
Headwordfullback
LanguageEnglish
Part of speechNoun
IPA/ˈfʊlˌbæk/
Letters8
Frequency rank#21,804
Misspellings tracked11
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “fullback”

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).fullbacklands 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 “fuji” (#21,803), “gage” (#21,805), “fruition” (#21,802). Among 2,507 “F” headwords, “fullback” is #21,804. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 11 spelling variants around fullback (IPA /ˈfʊlˌbæk/), anoun. Corpus frequency is #21,804 among 2,507 “F” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 11 likely wrong-spelling variants for fullback, with forms such as "ffullback", "flulback", and "fulback". 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 1 confusable-pair relationship, "fallback", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From full + back. The correct English form is fullback, spelled F-U-L-L-B-A-C-K.

Definition

  1. 1
    An offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.
  2. 2
    A position behind the main line of backs in both rugby union and rugby league. In rugby union, they wear number 15 jersey at the start of play and are the last line of defence responsible for catching punts.
  3. 3
    A defensive player who assists the goalie in preventing the opposing team from scoring.
  4. 4
    A player who plays on the left or right side of defence.

Recorded use

Wiktionary example

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

  1. For long, awkward spells, City looked out of their depth. Dani Alves and Jordi Alba attacked like whippets from the full-back positions.

Etymology

From full + back.

This word in other languages

lateral(Español)

Common misspellings

Also misspelled as:

  • ffullback
  • flulback
  • fulback
  • fulblack
  • fullabck
  • fullbacck
  • fullbackk
  • fullbakc
  • fullbback
  • fullbcak
  • ufllback

Misspelling Pattern Breakdown

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

ffullback1flulback2fulback1fulblack2fullabck2fullbacck1fullbackk1fullbakc2
Edit distance from "fullback"

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 "fullback"?
"fullback" is spelled F-U-L-L-B-A-C-K. The IPA pronunciation is /ˈfʊlˌbæk/.
What does "fullback" mean?
As a noun, "fullback" means: An offensive back whose primary jobs are to block in advance of the halfback on running plays and for the quarterback on passing plays.
What words are commonly confused with "fullback"?
"fullback" is commonly confused with "fallback". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "fullback"?
The IPA (International Phonetic Alphabet) transcription for "fullback" is /ˈfʊlˌbæk/. 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 "fullback"?
From full + back. 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 "fullback", not the corpus desk frequency band.

Same letter count

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

fruition#21,802grandeur#21,812familial#21,792eighties#21,784

Similar misspelling depth

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

fishery11 variantsHodgson11 variantsDrummond11 variantsdrumming11 variants

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

Source: FrequencyWords open word-frequency list