confoundvsconfoundedWhich spelling fits?

Which to use

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

#44,133
“confound” frequency rank
#36,087
“confounded” frequency rank
80220
confusion score

Side-by-Side Comparison

Feature confound confounded
Definition To perplex or puzzle. simple past and past participle of confound

Where the eye mixes confound and confounded

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

8 ch
confound
10 ch
confounded

Why the eye confuses confound with confounded

A purely visual mix-up. confound (/kənˈfaʊnd/) and confounded (/kənˈfaʊndɪd/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “confound” sits inside “confounded”. Our composite confusion score for this pair is 80220, derived from the frequency rank of both members and their visual similarity.

confound is recorded at frequency rank #44,133, classified as averb, pronounced /kənˈfaʊnd/. confounded is at rank #36,087, tagged as averb, pronounced /kənˈfaʊndɪd/.

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 80220, this pair ranks #20,301 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of confound vs confounded

Shared letters: cdfnou. Private to "confound": -. Private to "confounded": e.

"confound" · 8 letters · shape CVCCVVCC  ·  "confounded" · 10 letters · shape CVCCVVCCVC

Known mistypes of this pair

  • confoundcconfound · cnofound · cofnound · conffound · confonud · confoudn · confoundd · confounnd
  • confoundedcconfounded · cnofounded · cofnounded · conffounded · confonuded · confoudned · confoundde · confoundded

Frequently Asked Questions

Do "confound" and "confounded" mean the same thing in a sentence?
No. They are said differently (/kənˈfaʊnd/ versus /kənˈfaʊndɪd/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "confound" or "confounded" show up more?
"confounded" is the more common of the two: it sits at frequency rank #36,087 in our English list, against #44,133 for "confound". 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 "confound" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "confounded" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,301 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "confound" and "confounded" also get mixed up with nearby pairs, the highest-scored neighbour is "cofounder vs confounded". 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 #20,301 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