boldervsbuilderWhat's the difference?

Quick tell: bolder is a adjective, builder is a noun, so they fill different roles in a sentence.

Which to use

“bolder” is an adjective and “builder” is a noun - they look or sound alike but fill different roles in a sentence.

#30,704
“bolder” frequency rank
#8,902
“builder” frequency rank
39606
confusion score

Side-by-Side Comparison

Feature bolder builder
Definition comparative form of bold: more bold One who builds or constructs things.

Where the eye mixes bolder and builder

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

6 ch
bolder
7 ch
builder

Look-alike desk: bolder vs builder

These two trip readers on the page rather than in the ear: bolder is /ˈbəʊldə/ while builder is /ˈbɪl.də/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39606, derived from the frequency rank of both members and their visual similarity.

bolder is recorded at frequency rank #30,704, classified as anadj, pronounced /ˈbəʊldə/. builder is at rank #8,902, tagged as anoun, pronounced /ˈbɪl.də/.

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 39606, this pair ranks #275,145 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bolder vs builder

Shared letters: bdelr. Private to "bolder": o. Private to "builder": iu.

"bolder" · 6 letters · shape CVCCVC  ·  "builder" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • bolderbbolder · bloder · bodler · boldder · bolderr · boldre · boledr · bollder
  • builderbbuilder · biulder · buidler · buildder · builderr · buildre · builedr · buillder

Frequently Asked Questions

Is swapping "bolder" for "builder" ever safe?
No - they are not even the same part of speech. "bolder" is an adjective and "builder" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "bolder" or "builder"?
"builder" is the more common of the two: it sits at frequency rank #8,902 in our English list, against #30,704 for "bolder". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "bolder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "builder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #275,145 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "bolder" and "builder" also get mixed up with nearby pairs, the highest-scored neighbour is "bolder vs boozer". 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 #275,145 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