IMsvsIonWhat's the difference?

Which to use

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

#49,797
“IMs” frequency rank
#22,388
“Ion” frequency rank
72185
confusion score

Side-by-Side Comparison

Feature IMs Ion
Definition Nominativ Plural des Substantivs IM elektrisch geladenes Teilchen, das aus einem neutralen Atom oder Molekül durch Anlagerung oder Abgabe von Elektronen (Ionisation) entsteht

Where the eye mixes IMs and Ion

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

3 ch
IMs
3 ch
Ion

Why the eye confuses IMs with Ion

A purely visual mix-up. IMs ([iˈʔɛms]) and Ion ([iˈoːn]) 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 72185, derived from the frequency rank of both members and their visual similarity.

IMs is recorded at frequency rank #49,797, classified as anoun, pronounced [iˈʔɛms]. Ion is at rank #22,388, tagged as anoun, pronounced [iˈoːn].

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 72185, this pair ranks #395,396 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of IMs vs Ion

Shared letters: i. Private to "IMs": ms. Private to "Ion": no.

"IMs" · 3 letters · shape VCC  ·  "Ion" · 3 letters · shape VVC

Frequently Asked Questions

Is swapping "IMs" for "Ion" ever safe?
No. They are said differently ([iˈʔɛms] versus [iˈoːn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "IMs" or "Ion" show up more?
"Ion" is the more common of the two: it sits at frequency rank #22,388 in our German list, against #49,797 for "IMs". 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 "IMs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #395,396 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "IMs" and "Ion" also get mixed up with nearby pairs, the highest-scored neighbour is "ile vs IMs". Nearby pair

Confusion rank #395,396 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