fouledvsfueledWhat's the difference?

Which to use

“fouled” and “fueled” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26,431
“fouled” frequency rank
#13,519
“fueled” frequency rank
39950
confusion score

Side-by-Side Comparison

Feature fouled fueled
Definition simple past and past participle of foul simple past and past participle of fuel

Where the eye mixes fouled and fueled

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. fouled and fueled follow the identical consonant-vowel pattern (CVVCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
fouled
6 ch
fueled

Visual trap between fouled and fueled

A purely visual mix-up. fouled (/faʊld/) and fueled (/ˈfjuː.əld/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 39950, derived from the frequency rank of both members and their visual similarity.

fouled is recorded at frequency rank #26,431, classified as averb, pronounced /faʊld/. fueled is at rank #13,519, tagged as averb, pronounced /ˈfjuː.əld/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 39950, this pair ranks #272,044 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fouled vs fueled

Shared letters: deflu. Private to "fouled": o. Private to "fueled": -.

"fouled" · 6 letters · shape CVVCVC  ·  "fueled" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • fouled ← ffouled · folued · foueld · foulde · fouledd · foulled · fuoled · ofuled
  • fueled ← feuled · ffueled · fueeld · fuelde · fueledd · fuleed · ufeled

Frequently Asked Questions

Is swapping "fouled" for "fueled" ever safe?
No. They are said differently (/faʊld/ versus /ˈfjuː.əld/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fouled" vs "fueled" - which ranks higher?
"fueled" is the more common of the two: it sits at frequency rank #13,519 in our English list, against #26,431 for "fouled". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "fouled" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fueled" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #272,044 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fouled" and "fueled" also get mixed up with nearby pairs, the highest-scored neighbour is "fouled vs Foyle". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #272,044 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list