PKKvsppmWhich spelling fits?

Which to use

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

#13,459
“PKK” frequency rank
#40,761
“ppm” frequency rank
54220
confusion score

Side-by-Side Comparison

Feature PKK ppm
Definition Arbeiterpartei Kurdistans 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)

Where the eye mixes PKK and ppm

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

3 ch
PKK
3 ch
ppm

Visual trap between PKK and ppm

A purely visual mix-up. PKK ([peːkaːˈkaː]) and ppm ([peːpeːˈʔɛm]) 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 54220, derived from the frequency rank of both members and their visual similarity.

PKK is recorded at frequency rank #13,459, classified as anabbrev, pronounced [peːkaːˈkaː]. ppm is at rank #40,761, tagged as anabbrev, pronounced [peːpeːˈʔɛm].

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 54220, this pair ranks #1,027,426 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of PKK vs ppm

Shared letters: p. Private to "PKK": k. Private to "ppm": m.

"PKK" · 3 letters · shape CCC  ·  "ppm" · 3 letters · shape CCC

Frequently Asked Questions

Do "PKK" and "ppm" mean the same thing in a sentence?
No. They are said differently ([peːkaːˈkaː] versus [peːpeːˈʔɛm]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "PKK" or "ppm" show up more?
"PKK" is the more common of the two: it sits at frequency rank #13,459 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 "PKK" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ppm" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,027,426 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "PKK" and "ppm" also get mixed up with nearby pairs, the highest-scored neighbour is "PMS vs ppm". Nearby pair

Confusion rank #1,027,426 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