erweiternvserweitertenWhat's the difference?

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

Which to use

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

#6,294
“erweitern” frequency rank
#9,539
“erweiterten” frequency rank
15833
confusion score

Side-by-Side Comparison

Feature erweitern erweiterten
Definition vergrößern, weiten Genitiv Singular Maskulinum der starken Flexion des Positivs des Adjektivs erweitert

Where the spellings diverge

Shared letters are muted; the letters that actually set erweitern and erweiterten apart are highlighted. They share 9 letters in sequence, which is exactly why the eye skips the difference.

9 ch
erweitern
11 ch
erweiterten

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: erweitern is [ɛɐ̯ˈvaɪ̯tɐn] while erweiterten is [ɛɐ̯ˈvaɪ̯tɐtn̩]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 15833, derived from the frequency rank of both members and their visual similarity.

erweitern is recorded at frequency rank #6,294, classified as averb, pronounced [ɛɐ̯ˈvaɪ̯tɐn]. erweiterten is at rank #9,539, tagged as anadj, pronounced [ɛɐ̯ˈvaɪ̯tɐtn̩].

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 15833, this pair ranks #1,940,791 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erweitern vs erweiterten

Shared letters: einrtw. Private to "erweitern": -. Private to "erweiterten": -.

"erweitern" · 9 letters · shape VCCVVCVCC  ·  "erweiterten" · 11 letters · shape VCCVVCVCCVC

Known mistypes of this pair

  • erweiternerewitern · errweitern · erweietrn · erweitenr · erweiternn · erweiterrn · erweitren · erweittern
  • erweitertenerewiterten · errweiterten · erweietrten · erweiteretn · erweiterrten · erweitertenn · erweitertne · erweitertten

Frequency comparison

erweitern#6,294
erweiterten#9,539

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "erweitern" and "erweiterten" be used interchangeably?
No - they are not even the same part of speech. "erweitern" is a verb and "erweiterten" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "erweitern" or "erweiterten"?
"erweitern" is the more common of the two: it sits at frequency rank #6,294 in our German list, against #9,539 for "erweiterten". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering erweitern vs erweiterten

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “erweitern”; for an adjective, it's “erweiterten”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “erweitern” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list