BoasvsbolusWhich spelling fits?

Quick tell: Boas is a name, bolus is a noun, so they fill different roles in a sentence.

Which to use

“Boas” is a name and “bolus” is a noun - they look or sound alike but fill different roles in a sentence.

#36,457
“Boas” frequency rank
#46,942
“bolus” frequency rank
83399
confusion score

Side-by-Side Comparison

Feature Boas bolus
Definition A surname from Hebrew. A round mass of something, especially of chewed food in the mouth or alimentary canal.

Letter map: Boas vs bolus

Shared letters muted; letters that set Boas and bolus apart highlighted. Shared run: 3. Boas runs 4 letters (CVVC) against bolus's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Boas
5 ch
bolus

Part-of-speech tell for Boas / bolus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Boas is aname and bolusanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 83399, derived from the frequency rank of both members and their visual similarity.

Boas is recorded at frequency rank #36,457, classified as aname. bolus is at rank #46,942, tagged as anoun, pronounced /ˈbəʊləs/.

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 83399, this pair ranks #13,904 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Boas vs bolus

Shared letters: bos. Private to "Boas": a. Private to "bolus": lu.

"Boas" · 4 letters · shape CVVC  ·  "bolus" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Boas ← baos · bboas · boass · bosa · obas
  • bolus ← bbolus · blous · bollus · bolsu · boluss · bouls · oblus

Frequently Asked Questions

Is swapping "Boas" for "bolus" ever safe?
No - they are not even the same part of speech. "Boas" is a name and "bolus" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Boas" or "bolus"?
"Boas" is the more common of the two: it sits at frequency rank #36,457 in our English list, against #46,942 for "bolus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "Boas" and "bolus". Here's where to go from here.

  • Full dictionary entry for "Boas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bolus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #13,904 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Boas" and "bolus" also get mixed up with nearby pairs, the highest-scored neighbour is "bodes vs bolus". 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 #13,904 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