BONvsbyWhat's the difference?

Quick tell: BON is a noun, by is a preposition, so they fill different roles in a sentence.

Which to use

“BON” is a noun and “by” is a preposition - they look or sound alike but fill different roles in a sentence.

#10,993
“BON” frequency rank
#24
“by” frequency rank
11017
confusion score

Side-by-Side Comparison

Feature BON by
Definition Initialism of business object notation, notation for high-level object-oriented analysis. Near or next to.

Letter map: BON vs by

Shared letters muted; letters that set BON and by apart highlighted. Shared run: 1.

3 ch
BON
2 ch
by

Grammar separator: BON vs by

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: BON is anoun and byapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 11017, derived from the frequency rank of both members and their visual similarity.

BON is recorded at frequency rank #10,993, classified as anoun. by is at rank #24, tagged as aprep, pronounced /baɪ/.

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 11017, this pair ranks #489,322 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of BON vs by

Shared letters: b. Private to "BON": no. Private to "by": y.

"BON" · 3 letters · shape CVC  ·  "by" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "BON" for "by" ever safe?
No - they are not even the same part of speech. "BON" is a noun and "by" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "BON" or "by"?
"by" is the more common of the two: it sits at frequency rank #24 in our English list, against #10,993 for "BON". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "BON" and "by". Here's where to go from here.

  • Full dictionary entry for "BON" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "by" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #489,322 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "BON" and "by" also get mixed up with nearby pairs, the highest-scored neighbour is "bogan vs BON". Nearby pair

Confusion rank #489,322 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