obsessionvsomniumTell them apart

Quick tell: obsession is a noun, omnium is an adjective, so they fill different roles in a sentence.

Which to use

“obsession” is a noun and “omnium” is an adjective - they look or sound alike but fill different roles in a sentence.

#38,319
“obsession” frequency rank
#49,940
“omnium” frequency rank
88259
confusion score

Side-by-Side Comparison

Feature obsession omnium
Definition die Besessenheit Genitiv Plural Maskulinum des Adjektivs omnis

Letter map: obsession vs omnium

Shared letters muted; letters that set obsession and omnium apart highlighted. Shared run: 2.

9 ch
obsession
6 ch
omnium

Part-of-speech tell for obsession / omnium

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: obsession is anoun and omniumanadjective. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 88259, derived from the frequency rank of both members and their visual similarity.

obsession is recorded at frequency rank #38,319, classified as anoun, pronounced […]. omnium is at rank #49,940, tagged as anadj, pronounced […].

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 88259, this pair ranks #70,484 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of obsession vs omnium

Shared letters: ino. Private to "obsession": bes. Private to "omnium": mu.

"obsession" · 9 letters · shape VCCVCCVVC  ·  "omnium" · 6 letters · shape VCCVVC

Known mistypes of this pair

  • obsessionbosession · obbsession · obesssion · obsesion · obsesison · obsessino · obsessionn · obsessoin
  • omniummonium · ominum · ommnium · omnimu · omniumm · omnnium · omnuim · onmium

Frequently Asked Questions

Is swapping "obsession" for "omnium" ever safe?
No - they are not even the same part of speech. "obsession" is a noun and "omnium" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "obsession" or "omnium"?
"obsession" is the more common of the two: it sits at frequency rank #38,319 in our German list, against #49,940 for "omnium". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "obsession" and "omnium".

  • Full dictionary entry for "obsession" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "omnium" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,484 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "obsession" and "omnium" also get mixed up with nearby pairs, the highest-scored neighbour is "omnium vs puzzles". 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 #70,484 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