obvsObstWhich spelling fits?

Quick tell: ob is a conjunction, Obst is a noun, so they fill different roles in a sentence.

Which to use

“ob” is a conjunction and “Obst” is a noun - they look or sound alike but fill different roles in a sentence.

#139
“ob” frequency rank
#4,545
“Obst” frequency rank
4684
confusion score

Side-by-Side Comparison

Feature ob Obst
Definition leitet indirekte Fragesätze sowie Ungewissheit, Zweifel oder dergleichen ausdrückende Nebensätze ein (in Form von Subjekt-, Objekt- und Attributsätzen) roh essbare, meist saftige Früchte, die von Bäumen, Sträuchern und mehrjährigen Stauden stammen, mit überwiegend süßlichem oder säuerlichem, „fruchtigem“ Geschmack

Where the eye mixes ob and Obst

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

2 ch
ob
4 ch
Obst

Why the eye confuses ob with Obst

These two trip readers on the page rather than in the ear: ob is [ɔp] while Obst is [oːpst]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “ob” sits inside “Obst”, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4684, derived from the frequency rank of both members and their visual similarity.

ob is recorded at frequency rank #139, classified as aconj, pronounced [ɔp]. Obst is at rank #4,545, tagged as anoun, pronounced [oːpst].

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 4684, this pair ranks #1,997,000 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ob vs Obst

Shared letters: bo. Private to "ob": -. Private to "Obst": st.

"ob" · 2 letters · shape VC  ·  "Obst" · 4 letters · shape VCCC

Known mistypes of this pair

  • Obstbost · obbst · obsst · obstt · obts · osbt

Frequently Asked Questions

Is swapping "ob" for "Obst" ever safe?
No - they are not even the same part of speech. "ob" is a conjunction and "Obst" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "ob" or "Obst" show up more?
"ob" is the more common of the two: it sits at frequency rank #139 in our German list, against #4,545 for "Obst". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "ob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Obst" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,997,000 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ob" and "Obst" also get mixed up with nearby pairs, the highest-scored neighbour is "ob vs OGH". 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 #1,997,000 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