VernunftvsvernünftigWhat's the difference?

Quick tell: Vernunft is a noun, vernünftig is an adjective, so they fill different roles in a sentence.

Which to use

“Vernunft” is a noun and “vernünftig” is an adjective - they look or sound alike but fill different roles in a sentence.

#5,895
“Vernunft” frequency rank
#5,664
“vernünftig” frequency rank
11559
confusion score

Side-by-Side Comparison

Feature Vernunft vernünftig
Definition Fähigkeit des menschlichen Denkens; geistiges Vermögen des Menschen, mit seinem Verstand durch Beobachtung und Erfahrung erfasster Sachverhalte universelle Zusammenhänge der Wirklichkeit durch Schlussfolgerung herstellen zu können, deren Bedeutung zu erkennen, Regeln und Prinzipien aufzustellen und danach zu handeln seinen Verstand (die Vernunft) gebrauchend, statt sich von Emotionen leiten zu lassen

Where the spellings diverge

Shared letters are muted; the letters that actually set Vernunft and vernünftig apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

8 ch
Vernunft
10 ch
vernünftig

Spelling & Dictionary Insight

Vernunft and vernünftig form a confusable pair in the German index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 11559, derived from the frequency rank of both members and their visual similarity.

Vernunft is recorded at frequency rank #5,895, classified as anoun, pronounced [fɛɐ̯ˈnʊnft]. vernünftig is at rank #5,664, tagged as anadj, pronounced [fɛɐ̯ˈnʏnftɪç].

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 11559, this pair ranks #1,969,224 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

Vernunft#5,895
vernünftig#5,664

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Vernunft" and "vernünftig" be used interchangeably?
No, "Vernunft" and "vernünftig" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering Vernunft vs vernünftig

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “Vernunft”; for an adjective, it's “vernünftig”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “Vernunft” 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 FrequencyWords open word-frequency list