BoisvsbolusTell them apart

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

Which to use

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

#18,253
“Bois” frequency rank
#46,942
“bolus” frequency rank
65195
confusion score

Side-by-Side Comparison

Feature Bois bolus
Definition A surname from French, related to Dubois. A round mass of something, especially of chewed food in the mouth or alimentary canal.

Letter map: Bois vs bolus

Shared letters muted; letters that set Bois and bolus apart highlighted. Shared run: 3. Bois 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
Bois
5 ch
bolus

Grammar separator: Bois vs bolus

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Bois is aname and bolusanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65195, derived from the frequency rank of both members and their visual similarity.

Bois is recorded at frequency rank #18,253, 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 65195, this pair ranks #73,985 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Bois vs bolus

Shared letters: bos. Private to "Bois": i. Private to "bolus": lu.

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

Known mistypes of this pair

  • Bois ← bbois · boiss · bosi · obis
  • bolus ← bbolus · blous · bollus · bolsu · boluss · bouls · oblus

Frequently Asked Questions

Is swapping "Bois" for "bolus" ever safe?
No - they are not even the same part of speech. "Bois" is a name and "bolus" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Bois" vs "bolus" - which ranks higher?
"Bois" is the more common of the two: it sits at frequency rank #18,253 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.

After this comparison

Pair "Bois" vs "bolus" is on the table, pick a follow-up below.

  • Full dictionary entry for "Bois" 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 #73,985 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Bois" 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 #73,985 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