afootvsafoulWhich spelling fits?

Which to use

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

#33,110
“afoot” frequency rank
#45,192
“afoul” frequency rank
78302
confusion score

Side-by-Side Comparison

Feature afoot afoul
Definition On foot. (means of locomotion, walking) In a state of collision or entanglement.

Where the eye mixes afoot and afoul

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. afoot and afoul follow the identical consonant-vowel pattern (VCVVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
afoot
5 ch
afoul

Visual trap between afoot and afoul

A purely visual mix-up. afoot (/əˈfʊt/) and afoul (/əˈfaʊl/) 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 78302, derived from the frequency rank of both members and their visual similarity.

afoot is recorded at frequency rank #33,110, classified as anadv, pronounced /əˈfʊt/. afoul is at rank #45,192, tagged as anadv, pronounced /əˈfaʊl/.

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 78302, this pair ranks #24,949 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of afoot vs afoul

Shared letters: afo. Private to "afoot": t. Private to "afoul": lu.

"afoot" · 5 letters · shape VCVVC  ·  "afoul" · 5 letters · shape VCVVC

Known mistypes of this pair

  • afoot ← affoot · afoott · afot · afoto · aofot · faoot
  • afoul ← affoul · afolu · afoull · afuol · aoful · faoul

Frequently Asked Questions

Can "afoot" and "afoul" be used interchangeably?
No. They are said differently (/əˈfʊt/ versus /əˈfaʊl/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "afoot" vs "afoul" - which ranks higher?
"afoot" is the more common of the two: it sits at frequency rank #33,110 in our English list, against #45,192 for "afoul". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "afoot" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "afoul" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,949 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "afoot" and "afoul" also get mixed up with nearby pairs, the highest-scored neighbour is "afoul vs AWOL". 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 #24,949 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