biasesvsbussesTell them apart

Which to use

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

#19,029
“biases” frequency rank
#37,358
“busses” frequency rank
56387
confusion score

Side-by-Side Comparison

Feature biases busses
Definition plural of bias plural of bus

Letter map: biases vs busses

Shared letters muted; letters that set biases and busses apart highlighted. Shared run: 4. biases (CVVCVC) and busses (CVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
biases
6 ch
busses

Pair insight - biases / busses

biases and busses are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 56387, derived from the frequency rank of both members and their visual similarity.

biases is recorded at frequency rank #19,029, classified as anoun, pronounced /ˈbaɪ.ə.sɪz/. busses is at rank #37,358, tagged as anoun.

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 56387, this pair ranks #126,667 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of biases vs busses

Shared letters: bes. Private to "biases": ai. Private to "busses": u.

"biases" · 6 letters · shape CVVCVC  ·  "busses" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • biases ← baises · bbiases · biaess · biasess · biasse · biasses · bisaes · ibases
  • busses ← bbusses · bsuses · buses · busess · bussess · bussse · ubsses

Frequently Asked Questions

Is swapping "biases" for "busses" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "biases" vs "busses" - which ranks higher?
"biases" is the more common of the two: it sits at frequency rank #19,029 in our English list, against #37,358 for "busses". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "biases" vs "busses" is on the table, pick a follow-up below.

  • Full dictionary entry for "biases" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "busses" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,667 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "biases" and "busses" also get mixed up with nearby pairs, the highest-scored neighbour is "blesses vs busses". 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 #126,667 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