Which to use
“effizient” is an adjective and “Effizienz” is a noun - they look or sound alike but fill different roles in a sentence.
- #10,843
- “effizient” frequency rank
- #9,175
- “Effizienz” frequency rank
- 20018
- confusion score
Side-by-Side Comparison
| Feature | effizient | Effizienz |
|---|---|---|
| Definition | fähig, viel Leistung in Relation zum Aufwand zu erbringen | Verhältnis zwischen Leistung und Erfolg beziehungsweise Einsatz (Kosten) und Gewinn (Ertrag) |
Where the eye mixes effizient and Effizienz
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. effizient and Effizienz follow the identical consonant-vowel pattern (VCCVCVVCC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses effizient with Effizienz
These two trip readers on the page rather than in the ear: effizient is [ɛfiˈt͡si̯ɛnt] while Effizienz is [ɛfiˈt͡si̯ɛnt͡s]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - t in “effizient” becomes z in “Effizienz”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20018, derived from the frequency rank of both members and their visual similarity.
effizient is recorded at frequency rank #10,843, classified as anadj, pronounced [ɛfiˈt͡si̯ɛnt]. Effizienz is at rank #9,175, tagged as anoun, pronounced [ɛfiˈt͡si̯ɛnt͡s].
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 20018, this pair ranks #1,902,182 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of effizient vs Effizienz
Shared letters: efinz. Private to "effizient": t. Private to "Effizienz": -.
"effizient" · 9 letters · shape VCCVCVVCC · "Effizienz" · 9 letters · shape VCCVCVVCC
Known mistypes of this pair
Frequently Asked Questions
Can "effizient" and "Effizienz" be used interchangeably?
Which is more common, "effizient" or "Effizienz"?
What to do next
Eye-level mix-up between "effizient" and "Effizienz" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "effizient" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Effizienz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,902,182 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "effizient" and "Effizienz" also get mixed up with nearby pairs, the highest-scored neighbour is "effizient vs effizienten". 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 #1,902,182 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.