ppmvsPVCTell them apart

Which to use

“ppm” and “PVC” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#40,761
“ppm” frequency rank
#29,744
“PVC” frequency rank
70505
confusion score

Side-by-Side Comparison

Feature ppm PVC
Definition Mengeneinheit/Quotient, die die Konzentration eines Stoffs in einem anderen Stoff angibt; für Englisch parts per million, für Anzahl Teilchen in einer Million Teilchen; 1 ppm = 0,001 ‰ = 0,0001 %; Veranschaulichung: 1 ppm = etwa 5 Wassertropfen (á 0,05 ml) auf eine Badewanne mit Wasser (á 250 l) der Kunststoff Polyvinylchlorid

Where the eye mixes ppm and PVC

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ppm
3 ch
PVC

Look-alike desk: ppm vs PVC

A purely visual mix-up. ppm ([peːpeːˈʔɛm]) and PVC ([peːfaʊ̯ˈt͡seː]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 70505, derived from the frequency rank of both members and their visual similarity.

ppm is recorded at frequency rank #40,761, classified as anabbrev, pronounced [peːpeːˈʔɛm]. PVC is at rank #29,744, tagged as anabbrev, pronounced [peːfaʊ̯ˈt͡seː].

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 70505, this pair ranks #444,342 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of ppm vs PVC

Shared letters: p. Private to "ppm": m. Private to "PVC": cv.

"ppm" · 3 letters · shape CCC  ·  "PVC" · 3 letters · shape CCC

Frequently Asked Questions

Can "ppm" and "PVC" be used interchangeably?
No. They are said differently ([peːpeːˈʔɛm] versus [peːfaʊ̯ˈt͡seː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ppm" vs "PVC" - which ranks higher?
"PVC" is the more common of the two: it sits at frequency rank #29,744 in our German list, against #40,761 for "ppm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ppm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "PVC" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #444,342 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ppm" and "PVC" also get mixed up with nearby pairs, the highest-scored neighbour is "PMS vs ppm". Nearby pair

Confusion rank #444,342 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