BoyavsbyWhat's the difference?

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

Which to use

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

#48,252
“Boya” frequency rank
#2,381
“by” frequency rank
50633
confusion score

Side-by-Side Comparison

Feature Boya by
Definition Apellido. A, en.

Where the eye mixes Boya and by

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Boya
2 ch
by

Visual trap between Boya and by

These two trip readers on the page rather than in the ear: Boya is [ˈboʝa] while by is [bɛi]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 50633, derived from the frequency rank of both members and their visual similarity.

Boya is recorded at frequency rank #48,252, classified as aname, pronounced [ˈboʝa]. by is at rank #2,381, tagged as aprep, pronounced [bɛi].

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 50633, this pair ranks #102,154 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Boya vs by

Shared letters: by. Private to "Boya": ao. Private to "by": -.

"Boya" · 4 letters · shape CVVV  ·  "by" · 2 letters · shape CV

Known mistypes of this pair

  • Boyabboya · boay · boyya · byoa · obya · voya

Frequently Asked Questions

Is swapping "Boya" for "by" ever safe?
No - they are not even the same part of speech. "Boya" is a name and "by" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Boya" or "by"?
"by" is the more common of the two: it sits at frequency rank #2,381 in our Spanish list, against #48,252 for "Boya". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Boya" 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 #102,154 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Boya" and "by" also get mixed up with nearby pairs, the highest-scored neighbour is "Boya vs Boyer". 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 #102,154 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list