erprobenvserprobtTell them apart

Quick tell: erproben is a verb, erprobt is an adjective, so they fill different roles in a sentence.

Which to use

“erproben” is a verb and “erprobt” is an adjective - they look or sound alike but fill different roles in a sentence.

#34,079
“erproben” frequency rank
#18,530
“erprobt” frequency rank
52609
confusion score

Side-by-Side Comparison

Feature erproben erprobt
Definition testen, ob etwas tatsächlich so funktioniert, wie es funktionieren soll geprüft und bewährt; als zuverlässig ausgewiesen

Where the eye mixes erproben and erprobt

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
erproben
7 ch
erprobt

Visual trap between erproben and erprobt

These two trip readers on the page rather than in the ear: erproben is [ɛɐ̯ˈpʁoːbn̩] while erprobt is [ɛɐ̯ˈpʁoːpt]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 52609, derived from the frequency rank of both members and their visual similarity.

erproben is recorded at frequency rank #34,079, classified as averb, pronounced [ɛɐ̯ˈpʁoːbn̩]. erprobt is at rank #18,530, tagged as anadj, pronounced [ɛɐ̯ˈpʁoːpt].

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 52609, this pair ranks #1,090,157 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of erproben vs erprobt

Shared letters: beopr. Private to "erproben": n. Private to "erprobt": t.

"erproben" · 8 letters · shape VCCCVCVC  ·  "erprobt" · 7 letters · shape VCCCVCC

Known mistypes of this pair

  • erprobeneprroben · erporben · erpproben · erprboen · erprobben · erprobenn · erprobne · erproebn
  • erprobteprrobt · erporbt · erpprobt · erprbot · erprobbt · erprobtt · erprotb · erprrobt

Frequently Asked Questions

Can "erproben" and "erprobt" be used interchangeably?
No - they are not even the same part of speech. "erproben" is a verb and "erprobt" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "erproben" or "erprobt" show up more?
"erprobt" is the more common of the two: it sits at frequency rank #18,530 in our German list, against #34,079 for "erproben". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "erproben" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erprobt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,090,157 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erproben" and "erprobt" also get mixed up with nearby pairs, the highest-scored neighbour is "erfroren vs erproben". 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 #1,090,157 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