Which to use
“ISDN” is an abbrev and “Ists” is a noun - they look or sound alike but fill different roles in a sentence.
- #31,114
- “ISDN” frequency rank
- #14,331
- “Ists” frequency rank
- 45445
- confusion score
Side-by-Side Comparison
| Feature | ISDN | Ists |
|---|---|---|
| Definition | Internationaler Standard für digitale Telekommunikationsnetze | Genitiv Singular des Substantivs Ist |
Where the eye mixes ISDN and Ists
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ISDN and Ists follow the identical consonant-vowel pattern (VCCC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between ISDN and Ists
These two trip readers on the page rather than in the ear: ISDN is [ˌiːʔɛsdeːˈʔɛn] while Ists is [ɪst͡s]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (abbrev vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45445, derived from the frequency rank of both members and their visual similarity.
ISDN is recorded at frequency rank #31,114, classified as anabbrev, pronounced [ˌiːʔɛsdeːˈʔɛn]. Ists is at rank #14,331, tagged as anoun, pronounced [ɪst͡s].
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 45445, this pair ranks #1,352,789 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ISDN vs Ists
Shared letters: is. Private to "ISDN": dn. Private to "Ists": t.
"ISDN" · 4 letters · shape VCCC · "Ists" · 4 letters · shape VCCC
Known mistypes of this pair
Frequently Asked Questions
Can "ISDN" and "Ists" be used interchangeably?
In ordinary German text, does "ISDN" or "Ists" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ISDN" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Ists" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,352,789 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "ISDN" and "Ists" also get mixed up with nearby pairs, the highest-scored neighbour is "idF vs ISDN". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #1,352,789 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.