boundvsboundedWhich spelling fits?

Which to use

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

#3,212
“bound” frequency rank
#14,901
“bounded” frequency rank
18113
confusion score

Side-by-Side Comparison

Feature bound bounded
Definition simple past and past participle of bind simple past and past participle of bound

Where the eye mixes bound and bounded

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

5 ch
bound
7 ch
bounded

Look-alike desk: bound vs bounded

A purely visual mix-up. bound (/ˈbaʊnd/) and bounded (/ˈbaʊndɪd/) 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) - “bound” sits inside “bounded”. Our composite confusion score for this pair is 18113, derived from the frequency rank of both members and their visual similarity.

bound is recorded at frequency rank #3,212, classified as averb, pronounced /ˈbaʊnd/. bounded is at rank #14,901, tagged as averb, pronounced /ˈbaʊndɪd/.

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 18113, this pair ranks #447,017 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bound vs bounded

Shared letters: bdnou. Private to "bound": -. Private to "bounded": e.

"bound" · 5 letters · shape CVVCC  ·  "bounded" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • boundbbound · bonud · boudn · boundd · bounnd · buond · obund
  • boundedbbounded · bonuded · boudned · boundde · boundded · boundedd · bounedd · bounnded

Frequently Asked Questions

Is swapping "bound" for "bounded" ever safe?
No. They are said differently (/ˈbaʊnd/ versus /ˈbaʊndɪd/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "bound" vs "bounded" - which ranks higher?
"bound" is the more common of the two: it sits at frequency rank #3,212 in our English list, against #14,901 for "bounded". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "bound" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bounded" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #447,017 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bound" and "bounded" also get mixed up with nearby pairs, the highest-scored neighbour is "bound vs Bruni". 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 #447,017 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