primovsprismaTell them apart

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

Which to use

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

#2,792
“primo” frequency rank
#17,894
“prisma” frequency rank
20686
confusion score

Side-by-Side Comparison

Feature primo prisma
Definition tipo de número que só é divisível por um e por si mesmo sólido com bases paralelas poligonais e paralelogramos como faces laterais

Letter map: primo vs prisma

Shared letters muted; letters that set primo and prisma apart highlighted. Shared run: 4.

5 ch
primo
6 ch
prisma

Part-of-speech tell for primo / prisma

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: primo is anadjective and prismaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20686, derived from the frequency rank of both members and their visual similarity.

primo is recorded at frequency rank #2,792, classified as anadj. prisma is at rank #17,894, tagged as anoun, pronounced /ˈpɾiʒ.mɐ/.

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 20686, this pair ranks #49,756 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of primo vs prisma

Shared letters: impr. Private to "primo": o. Private to "prisma": as.

"primo" · 5 letters · shape CCVCV  ·  "prisma" · 6 letters · shape CCVCCV

Known mistypes of this pair

  • primopirmo · pprimo · primmo · priom · prmio · prrimo · rpimo
  • prismapirsma · pprisma · primsa · prisam · prismma · prissma · prrisma · prsima

Frequently Asked Questions

Do "primo" and "prisma" mean the same thing in a sentence?
No - they are not even the same part of speech. "primo" is an adjective and "prisma" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "primo" or "prisma"?
"primo" is the more common of the two: it sits at frequency rank #2,792 in our Portuguese list, against #17,894 for "prisma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "primo" vs "prisma" is on the table, pick a follow-up below.

  • Full dictionary entry for "primo" 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 #49,756 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "primo" and "prisma" also get mixed up with nearby pairs, the highest-scored neighbour is "pomo vs primo". 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 #49,756 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list