Which to use
“ISDN” is an abbrev and “ist” is a verb - they look or sound alike but fill different roles in a sentence.
- #31,114
- “ISDN” frequency rank
- #7
- “ist” frequency rank
- 31121
- confusion score
Side-by-Side Comparison
| Feature | ISDN | ist |
|---|---|---|
| Definition | Internationaler Standard für digitale Telekommunikationsnetze | 3. Person Singular Indikativ Präsens des Verbs sein |
Where the spellings diverge
Shared letters are muted; the letters that actually set ISDN and ist apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: ISDN is [ˌiːʔɛsdeːˈʔɛn] while ist is [ɪst]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (abbrev vs verb), which is usually the fastest check. Our composite confusion score for this pair is 31121, 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]. ist is at rank #7, tagged as averb, pronounced [ɪst].
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 31121, this pair ranks #1,734,387 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ISDN vs ist
Shared letters: is. Private to "ISDN": dn. Private to "ist": t.
"ISDN" · 4 letters · shape VCCC · "ist" · 3 letters · shape VCC
Known mistypes of this pair
- ISDN ← idsn · isddn · isdnn · issdn
Frequency comparison
Frequently Asked Questions
Can "ISDN" and "ist" be used interchangeably?
Which is more common, "ISDN" or "ist"?
Remembering ISDN vs ist
The fastest way to pick the right one every time.
- Check the role first: if you need an abbrev, it's “ISDN”; for a verb, it's “ist”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ISDN” entry
- Browse more pairs most likely to be confused. Most confusable