erfindenvsErfinderWhich spelling fits?

Quick tell: erfinden is a verb, Erfinder is a noun, so they fill different roles in a sentence.

Which to use

“erfinden” is a verb and “Erfinder” is a noun - they look or sound alike but fill different roles in a sentence.

#9,535
“erfinden” frequency rank
#9,894
“Erfinder” frequency rank
19429
confusion score

Side-by-Side Comparison

Feature erfinden Erfinder
Definition eine technische Neuheit erdenken; eine Erfindung machen jemand, der etwas erfindet

Where the eye mixes erfinden and Erfinder

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. erfinden and Erfinder follow the identical consonant-vowel pattern (VCCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
erfinden
8 ch
Erfinder

Why the eye confuses erfinden with Erfinder

These two trip readers on the page rather than in the ear: erfinden is [ɛɐ̯ˈfɪndn̩] while Erfinder is [ɛɐ̯ˈfɪndɐ]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “erfinden” becomes r in “Erfinder”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19429, derived from the frequency rank of both members and their visual similarity.

erfinden is recorded at frequency rank #9,535, classified as averb, pronounced [ɛɐ̯ˈfɪndn̩]. Erfinder is at rank #9,894, tagged as anoun, pronounced [ɛɐ̯ˈfɪndɐ].

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 19429, this pair ranks #1,908,412 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erfinden vs Erfinder

Shared letters: definr. Private to "erfinden": -. Private to "Erfinder": -.

"erfinden" · 8 letters · shape VCCVCCVC  ·  "Erfinder" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • erfinden ← efrinden · erffinden · erfidnen · erfindden · erfindenn · erfindne · erfinedn · erfinnden
  • Erfinder ← efrinder · erffinder · erfidner · erfindder · erfinderr · erfindre · erfinedr · erfinnder

Frequently Asked Questions

Can "erfinden" and "Erfinder" be used interchangeably?
No - they are not even the same part of speech. "erfinden" is a verb and "Erfinder" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "erfinden" or "Erfinder"?
"erfinden" is the more common of the two: it sits at frequency rank #9,535 in our German list, against #9,894 for "Erfinder". 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 "erfinden" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Erfinder" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,908,412 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erfinden" and "Erfinder" also get mixed up with nearby pairs, the highest-scored neighbour is "einfinden vs erfinden". 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 #1,908,412 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