JanvsJasonWhat's the difference?

Which to use

“Jan” and “Jason” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#10,361
“Jan” frequency rank
#7,317
“Jason” frequency rank
17678
confusion score

Side-by-Side Comparison

Feature Jan Jason
Definition Nombre de pila de varón, equivalente del español Juan. Nombre personal masculino.

Where the eye mixes Jan and Jason

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
Jan
5 ch
Jason

Visual trap between Jan and Jason

A purely visual mix-up. Jan (/jan/) and Jason (/ˈd͡ʒeɪ.sən/) 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 2 letter(s) in length. Our composite confusion score for this pair is 17678, derived from the frequency rank of both members and their visual similarity.

Jan is recorded at frequency rank #10,361, classified as aname, pronounced /jan/. Jason is at rank #7,317, tagged as aname, pronounced /ˈd͡ʒeɪ.sən/.

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 17678, this pair ranks #271,152 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Jan vs Jason

Shared letters: ajn. Private to "Jan": -. Private to "Jason": os.

"Jan" · 3 letters · shape CVC  ·  "Jason" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Jasonajson · jaosn · jasno · jasonn · jasson · jjason · jsaon

Frequently Asked Questions

Is swapping "Jan" for "Jason" ever safe?
No. They are said differently (/jan/ versus /ˈd͡ʒeɪ.sən/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "Jan" or "Jason" show up more?
"Jason" is the more common of the two: it sits at frequency rank #7,317 in our Spanish list, against #10,361 for "Jan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Jan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Jason" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #271,152 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Jan" and "Jason" also get mixed up with nearby pairs, the highest-scored neighbour is "Jan vs Jano". 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 #271,152 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