PilzvsPISAWhich spelling fits?

Quick tell: Pilz is a noun, PISA is an abbrev, so they fill different roles in a sentence.

Which to use

“Pilz” is a noun and “PISA” is an abbrev - they look or sound alike but fill different roles in a sentence.

#9,962
“Pilz” frequency rank
#13,910
“PISA” frequency rank
23872
confusion score

Side-by-Side Comparison

Feature Pilz PISA
Definition aus schlauchförmigen Fäden bestehender Organismus ohne Blattgrün (Reich Fungi); hat sowohl tierische als auch pflanzliche Eigenschaften eine Studie zur Messung internationaler Schulleistung

Where the eye mixes Pilz and PISA

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Pilz
4 ch
PISA

Look-alike desk: Pilz vs PISA

These two trip readers on the page rather than in the ear: Pilz is [pɪlt͡s] while PISA is [piːza]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 23872, derived from the frequency rank of both members and their visual similarity.

Pilz is recorded at frequency rank #9,962, classified as anoun, pronounced [pɪlt͡s]. PISA is at rank #13,910, tagged as anabbrev, pronounced [piːza].

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 23872, this pair ranks #1,855,479 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Pilz vs PISA

Shared letters: ip. Private to "Pilz": lz. Private to "PISA": as.

"Pilz" · 4 letters · shape CVCC  ·  "PISA" · 4 letters · shape CVCV

Known mistypes of this pair

  • Pilziplz · pillz · pilzz · pizl · pliz · ppilz
  • PISAipsa · pias · pissa · ppisa · psia

Frequently Asked Questions

Do "Pilz" and "PISA" mean the same thing in a sentence?
No - they are not even the same part of speech. "Pilz" is a noun and "PISA" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Pilz" vs "PISA" - which ranks higher?
"Pilz" is the more common of the two: it sits at frequency rank #9,962 in our German list, against #13,910 for "PISA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Pilz" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "PISA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,855,479 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Pilz" and "PISA" also get mixed up with nearby pairs, the highest-scored neighbour is "PISA vs PMS". 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 #1,855,479 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