iovsIonWhat's the difference?

Quick tell: io is a pronoun, Ion is a noun, so they fill different roles in a sentence.

Which to use

“io” is a pronoun and “Ion” is a noun - they look or sound alike but fill different roles in a sentence.

#26,465
“io” frequency rank
#22,388
“Ion” frequency rank
48853
confusion score

Side-by-Side Comparison

Feature io Ion
Definition Für die 1. Person Singular Nominativ/Subjektfall – im Objektfall: siehe me elektrisch geladenes Teilchen, das aus einem neutralen Atom oder Molekül durch Anlagerung oder Abgabe von Elektronen (Ionisation) entsteht

Where the spellings diverge

Shared letters are muted; the letters that actually set io and Ion apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

2 ch
io
3 ch
Ion

Spelling & Dictionary Insight

io and Ion form a confusable pair in the German index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “io” sits inside “Ion” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 48853, derived from the frequency rank of both members and their visual similarity.

io is recorded at frequency rank #26,465, classified as apron, pronounced […]. 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 48853, this pair ranks #1,233,148 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Frequency comparison

io#26,465
Ion#22,388

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "io" and "Ion" be used interchangeably?
No, "io" and "Ion" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering io vs Ion

The fastest way to pick the right one every time.

  • Check the role first: if you need a pronoun, it's “io”; for a noun, it's “Ion”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “io” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list