obvsÖlWhich spelling fits?

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

Which to use

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

#139
“ob” frequency rank
#2,940
“Öl” frequency rank
3079
confusion score

Side-by-Side Comparison

Feature ob Öl
Definition leitet indirekte Fragesätze sowie Ungewissheit, Zweifel oder dergleichen ausdrückende Nebensätze ein (in Form von Subjekt-, Objekt- und Attributsätzen) fettige, schmierige Flüssigkeit

Where the eye mixes ob and Öl

Muted = shared; highlighted = the visual trap. No shared run - shape, not overlap, is the trap.

2 ch
ob
2 ch
Öl

Look-alike desk: ob vs Öl

These two trip readers on the page rather than in the ear: ob is [ɔp] while Öl is [øːl]. 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 (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 3079, derived from the frequency rank of both members and their visual similarity.

ob is recorded at frequency rank #139, classified as aconj, pronounced [ɔp]. Öl is at rank #2,940, tagged as anoun, pronounced [øːl].

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 3079, this pair ranks #2,000,986 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ob vs Öl

Shared letters: none. Private to "ob": bo. Private to "Öl": .

"ob" · 2 letters · shape VC  ·  "Öl" · 2 letters · shape VC

Frequently Asked Questions

Do "ob" and "Öl" mean the same thing in a sentence?
No - they are not even the same part of speech. "ob" is a conjunction and "Öl" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ob" vs "Öl" - which ranks higher?
"ob" is the more common of the two: it sits at frequency rank #139 in our German list, against #2,940 for "Öl". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Öl" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,000,986 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ob" and "Öl" also get mixed up with nearby pairs, the highest-scored neighbour is "OGH vs Öl". Nearby pair

Confusion rank #2,000,986 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