JacobsvsJacobyWhich spelling fits?

Which to use

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

#10,564
“Jacobs” frequency rank
#34,551
“Jacoby” frequency rank
45115
confusion score

Side-by-Side Comparison

Feature Jacobs Jacoby
Definition An English surname originating as a patronymic derived from Jacob. A male given name.

Where the eye mixes Jacobs and Jacoby

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
Jacobs
6 ch
Jacoby

Why the eye confuses Jacobs with Jacoby

A purely visual mix-up. Jacobs (/ˈd͡ʒeɪkəbz/) and Jacoby (/dʒəˈkəʊbi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - s in “Jacobs” becomes y in “Jacoby”. Our composite confusion score for this pair is 45115, derived from the frequency rank of both members and their visual similarity.

Jacobs is recorded at frequency rank #10,564, classified as aname, pronounced /ˈd͡ʒeɪkəbz/. Jacoby is at rank #34,551, tagged as aname, pronounced /dʒəˈkəʊbi/.

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 45115, this pair ranks #224,299 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Jacobs vs Jacoby

Shared letters: abcjo. Private to "Jacobs": s. Private to "Jacoby": y.

"Jacobs" · 6 letters · shape CVCVCC  ·  "Jacoby" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • Jacobsajcobs · jacbos · jaccobs · jacobbs · jacobss · jacosb · jaocbs · jcaobs
  • Jacobyajcoby · jacboy · jaccoby · jacobby · jacobyy · jacoyb · jaocby · jcaoby

Frequently Asked Questions

Is swapping "Jacobs" for "Jacoby" ever safe?
No. They are said differently (/ˈd͡ʒeɪkəbz/ versus /dʒəˈkəʊbi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Jacobs" or "Jacoby"?
"Jacobs" is the more common of the two: it sits at frequency rank #10,564 in our English list, against #34,551 for "Jacoby". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Jacobs" and "Jacoby" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Jacobs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Jacoby" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #224,299 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Jacobs" and "Jacoby" also get mixed up with nearby pairs, the highest-scored neighbour is "Jacobi vs Jacoby". 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 #224,299 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