bondvsboundWhat's the difference?

Quick tell: bond is a noun, bound is a verb, so they fill different roles in a sentence.

Which to use

“bond” is a noun and “bound” is a verb - they look or sound alike but fill different roles in a sentence.

#2,517
“bond” frequency rank
#3,212
“bound” frequency rank
5729
confusion score

Side-by-Side Comparison

Feature bond bound
Definition A document constituting evidence of a long-term debt, by which the bond issuer (the borrower) is obliged to pay interest when due, and repay the principal at maturity, as specified on the face of the bond certificate. The rights of the holder are specified in the bond indenture, which contains the legal terms and conditions under which the bond was issued. Bonds are available in two forms: registered bonds, and bearer bonds. simple past and past participle of bind

Where the eye mixes bond and bound

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

4 ch
bond
5 ch
bound

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: bond is /bɒnd/ while bound is /ˈbaʊnd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 5729, derived from the frequency rank of both members and their visual similarity.

bond is recorded at frequency rank #2,517, classified as anoun, pronounced /bɒnd/. bound is at rank #3,212, tagged as averb, pronounced /ˈbaʊnd/.

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 5729, this pair ranks #514,224 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bond vs bound

Shared letters: bdno. Private to "bond": -. Private to "bound": u.

"bond" · 4 letters · shape CVCC  ·  "bound" · 5 letters · shape CVVCC

Known mistypes of this pair

  • bondbbond · bnod · bodn · bondd · bonnd · obnd
  • boundbbound · bonud · boudn · boundd · bounnd · buond · obund

Frequently Asked Questions

Can "bond" and "bound" be used interchangeably?
No - they are not even the same part of speech. "bond" is a noun and "bound" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bond" or "bound"?
"bond" is the more common of the two: it sits at frequency rank #2,517 in our English list, against #3,212 for "bound". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list