Which to use
“ISO” is a noun and “iss” is a verb - they look or sound alike but fill different roles in a sentence.
- #8,887
- “ISO” frequency rank
- #6,551
- “iss” frequency rank
- 15438
- confusion score
Side-by-Side Comparison
| Feature | ISO | iss |
|---|---|---|
| Definition | Internationale Organisation für Normung (International Organization for Standardization); Vereinigung von Normungsorganisationen, die internationale Normen erarbeitet | 2. Person Singular Imperativ des Verbs essen |
Where the spellings diverge
Shared letters are muted; the letters that actually set ISO and iss apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
ISO and iss 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 a single letter - o in “ISO” becomes s in “iss” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 15438, derived from the frequency rank of both members and their visual similarity.
ISO is recorded at frequency rank #8,887, classified as anoun, pronounced [iːsoː]. iss is at rank #6,551, tagged as averb, pronounced [ɪs].
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 15438, this pair ranks #1,943,875 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "ISO" and "iss" be used interchangeably?
Remembering ISO vs iss
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “ISO”; for a verb, it's “iss”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ISO” entry
- Browse more pairs most likely to be confused. Most confusable