JacobvsJacobsWhich spelling fits?

Which to use

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

#5,669
“Jacob” frequency rank
#20,768
“Jacobs” frequency rank
26437
confusion score

Side-by-Side Comparison

Feature Jacob Jacobs
Definition Nom de famille, connu entre autres par Max Jacob, poète français. Nom de famille allemand, anglais ou néerlandais.

Where the eye mixes Jacob and Jacobs

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

5 ch
Jacob
6 ch
Jacobs

Visual trap between Jacob and Jacobs

A purely visual mix-up. Jacob (\ʒa.kɔb\) and Jacobs (\ʒa.kɔbs\) 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 1 extra letter(s) - “Jacob” sits inside “Jacobs”. Our composite confusion score for this pair is 26437, derived from the frequency rank of both members and their visual similarity.

Jacob is recorded at frequency rank #5,669, classified as aname, pronounced \ʒa.kɔb\. Jacobs is at rank #20,768, tagged as aname, pronounced \ʒa.kɔbs\.

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 26437, this pair ranks #335,019 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Jacob vs Jacobs

Shared letters: abcjo. Private to "Jacob": -. Private to "Jacobs": s.

"Jacob" · 5 letters · shape CVCVC  ·  "Jacobs" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • Jacobajcob · jacbo · jaccob · jacobb · jaocb · jcaob · jjacob
  • Jacobsajcobs · jacbos · jaccobs · jacobbs · jacobss · jacosb · jaocbs · jcaobs

Frequently Asked Questions

Is swapping "Jacob" for "Jacobs" ever safe?
No. They are said differently (\ʒa.kɔb\ versus \ʒa.kɔbs\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Jacob" or "Jacobs"?
"Jacob" is the more common of the two: it sits at frequency rank #5,669 in our French list, against #20,768 for "Jacobs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Jacob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Jacobs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #335,019 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Jacob" and "Jacobs" also get mixed up with nearby pairs, the highest-scored neighbour is "Jacobs vs Jakob". 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 #335,019 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list