focusvsfoulsWhat's the difference?

Which to use

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

#1,077
“focus” frequency rank
#23,837
“fouls” frequency rank
24914
confusion score

Side-by-Side Comparison

Feature focus fouls
Definition A point at which reflected or refracted rays of light converge. plural of foul

Where the eye mixes focus and fouls

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
focus
5 ch
fouls

Look-alike desk: focus vs fouls

A purely visual mix-up. focus (/ˈfəʊ.kəs/) and fouls (/faʊlz/) 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 24914, derived from the frequency rank of both members and their visual similarity.

focus is recorded at frequency rank #1,077, classified as anoun, pronounced /ˈfəʊ.kəs/. fouls is at rank #23,837, tagged as anoun, pronounced /faʊlz/.

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 24914, this pair ranks #398,339 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of focus vs fouls

Shared letters: fosu. Private to "focus": c. Private to "fouls": l.

"focus" · 5 letters · shape CVCVC  ·  "fouls" · 5 letters · shape CVVCC

Known mistypes of this pair

  • focusfcous · ffocus · foccus · focsu · focuss · foucs · ofcus
  • foulsffouls · folus · foulls · foulss · fousl · fuols · ofuls

Frequently Asked Questions

Do "focus" and "fouls" mean the same thing in a sentence?
No. They are said differently (/ˈfəʊ.kəs/ versus /faʊlz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "focus" or "fouls"?
"focus" is the more common of the two: it sits at frequency rank #1,077 in our English list, against #23,837 for "fouls". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "focus" and "fouls" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "focus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fouls" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #398,339 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "focus" and "fouls" also get mixed up with nearby pairs, the highest-scored neighbour is "fou vs fouls". 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 #398,339 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