schärfevsSphäreConfusable pair

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

Which to use

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

#17,126
“schärfe” frequency rank
#25,320
“Sphäre” frequency rank
42446
confusion score

Side-by-Side Comparison

Feature schärfe Sphäre
Definition 1. Person Singular Indikativ Präsens Aktiv des Verbs schärfen Bezeichnung für Himmelskugel, Himmelsgewölbe

Where the eye mixes schärfe and Sphäre

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
schärfe
6 ch
Sphäre

Visual trap between schärfe and Sphäre

These two trip readers on the page rather than in the ear: schärfe is [ˈʃɛʁfə] while Sphäre is [ˈsfɛːʁə]. 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 42446, derived from the frequency rank of both members and their visual similarity.

schärfe is recorded at frequency rank #17,126, classified as averb, pronounced [ˈʃɛʁfə]. Sphäre is at rank #25,320, tagged as anoun, pronounced [ˈsfɛːʁə].

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 42446, this pair ranks #1,449,029 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of schärfe vs Sphäre

Shared letters: ehrsä. Private to "schärfe": cf. Private to "Sphäre": p.

"schärfe" · 7 letters · shape CCCVCCV  ·  "Sphäre" · 6 letters · shape CCCVCV

Frequently Asked Questions

Is swapping "schärfe" for "Sphäre" ever safe?
No - they are not even the same part of speech. "schärfe" is a verb and "Sphäre" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "schärfe" or "Sphäre"?
"schärfe" is the more common of the two: it sits at frequency rank #17,126 in our German list, against #25,320 for "Sphäre". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "schärfe" and "Sphäre" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "schärfe" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sphäre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,449,029 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "schärfe" and "Sphäre" also get mixed up with nearby pairs, the highest-scored neighbour is "shame vs Sphäre". Nearby pair

Confusion rank #1,449,029 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