primevsPrismaWhich spelling fits?

Quick tell: prime is a adjective, Prisma is a noun, so they fill different roles in a sentence.

Which to use

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

#8,611
“prime” frequency rank
#33,767
“Prisma” frequency rank
42378
confusion score

Side-by-Side Comparison

Feature prime Prisma
Definition Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs prim ein durchsichtiger, meist keilförmiger Körper, der von mindestens zwei sich schneidenden ebenen Flächen begrenzt wird

Where the eye mixes prime and Prisma

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
prime
6 ch
Prisma

Look-alike desk: prime vs Prisma

These two trip readers on the page rather than in the ear: prime is [ˈpʁiːmə] while Prisma is [ˈpʁɪsma]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 42378, derived from the frequency rank of both members and their visual similarity.

prime is recorded at frequency rank #8,611, classified as anadj, pronounced [ˈpʁiːmə]. Prisma is at rank #33,767, tagged as anoun, pronounced [ˈpʁɪsma].

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 42378, this pair ranks #1,451,235 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prime vs Prisma

Shared letters: impr. Private to "prime": e. Private to "Prisma": as.

"prime" · 5 letters · shape CCVCV  ·  "Prisma" · 6 letters · shape CCVCCV

Known mistypes of this pair

  • primepirme · pprime · priem · primme · prmie · prrime · rpime
  • Prismapirsma · pprisma · primsa · prisam · prismma · prissma · prrisma · prsima

Frequently Asked Questions

Is swapping "prime" for "Prisma" ever safe?
No - they are not even the same part of speech. "prime" is an adjective and "Prisma" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "prime" or "Prisma"?
"prime" is the more common of the two: it sits at frequency rank #8,611 in our German list, against #33,767 for "Prisma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "prime" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Prisma" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,451,235 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "prime" and "Prisma" also get mixed up with nearby pairs, the highest-scored neighbour is "Primat vs Prisma". 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 #1,451,235 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