jähvsJanWhich spelling fits?

Quick tell: jäh is a adjective, Jan is a name, so they fill different roles in a sentence.

Which to use

“jäh” is an adjective and “Jan” is a name - they look or sound alike but fill different roles in a sentence.

#39,457
“jäh” frequency rank
#1,850
“Jan” frequency rank
41307
confusion score

Side-by-Side Comparison

Feature jäh Jan
Definition unerwartet, abrupt und heftig sich entwickelnd ein männlicher Vorname

Where the eye mixes jäh and Jan

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
jäh
3 ch
Jan

Look-alike desk: jäh vs Jan

These two trip readers on the page rather than in the ear: jäh is [jɛː] while Jan is [jan]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 41307, derived from the frequency rank of both members and their visual similarity.

jäh is recorded at frequency rank #39,457, classified as anadj, pronounced [jɛː]. Jan is at rank #1,850, tagged as aname, pronounced [jan].

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 41307, this pair ranks #1,483,360 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of jäh vs Jan

Shared letters: j. Private to "jäh": . Private to "Jan": an.

"jäh" · 3 letters · shape CVC  ·  "Jan" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "jäh" for "Jan" ever safe?
No - they are not even the same part of speech. "jäh" is an adjective and "Jan" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "jäh" or "Jan" show up more?
"Jan" is the more common of the two: it sits at frequency rank #1,850 in our German list, against #39,457 for "jäh". 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 "jäh" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Jan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,483,360 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "jäh" and "Jan" also get mixed up with nearby pairs, the highest-scored neighbour is "jäh vs jn". Nearby pair

Confusion rank #1,483,360 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list