vermehrenvsVermehrungWhich spelling fits?

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

Which to use

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

#14,198
“vermehren” frequency rank
#24,178
“Vermehrung” frequency rank
38376
confusion score

Side-by-Side Comparison

Feature vermehren Vermehrung
Definition die Menge von etwas vergrößern oder auch mehr werden Wachstum, die Erzeugung von Identischem aus Vorhandenem

Where the eye mixes vermehren and Vermehrung

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. vermehren runs 9 letters (CVCCVCCVC) against Vermehrung's 10 (CVCCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
vermehren
10 ch
Vermehrung

Look-alike desk: vermehren vs Vermehrung

These two trip readers on the page rather than in the ear: vermehren is [fɛɐ̯ˈmeːʁən] while Vermehrung is [fɛɐ̯ˈmeːʁʊŋ]. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 38376, derived from the frequency rank of both members and their visual similarity.

vermehren is recorded at frequency rank #14,198, classified as averb, pronounced [fɛɐ̯ˈmeːʁən]. Vermehrung is at rank #24,178, tagged as anoun, pronounced [fɛɐ̯ˈmeːʁʊŋ].

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 38376, this pair ranks #1,565,595 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of vermehren vs Vermehrung

Shared letters: ehmnrv. Private to "vermehren": -. Private to "Vermehrung": gu.

"vermehren" · 9 letters · shape CVCCVCCVC  ·  "Vermehrung" · 10 letters · shape CVCCVCCVCC

Known mistypes of this pair

  • vermehren ← evrmehren · vemrehren · veremhren · vermehern · vermehhren · vermehrenn · vermehrne · vermehrren
  • Vermehrung ← evrmehrung · vemrehrung · veremhrung · vermehhrung · vermehrnug · vermehrrung · vermehrugn · vermehrungg

Frequently Asked Questions

Is swapping "vermehren" for "Vermehrung" ever safe?
No - they are not even the same part of speech. "vermehren" is a verb and "Vermehrung" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "vermehren" or "Vermehrung"?
"vermehren" is the more common of the two: it sits at frequency rank #14,198 in our German list, against #24,178 for "Vermehrung". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "vermehren" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Vermehrung" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,565,595 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "vermehren" and "Vermehrung" also get mixed up with nearby pairs, the highest-scored neighbour is "Vermählung vs Vermehrung". 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 #1,565,595 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