Which to use
“ISDN” and “ISIS” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,114
- “ISDN” frequency rank
- #7,491
- “ISIS” frequency rank
- 38605
- confusion score
Side-by-Side Comparison
| Feature | ISDN | ISIS |
|---|---|---|
| Definition | Internationaler Standard für digitale Telekommunikationsnetze | Abkürzung für die Terrorgruppe „Islamischer Staat im Irak und Syrien“ bzw. „Islamischer Staat im Irak und in Syrien“ bzw. „Islamischer Staat im Irak und in (Groß-)Syrien“ |
Where the spellings diverge
Shared letters are muted; the letters that actually set ISDN and ISIS apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
ISDN and ISIS are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 38605, 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]. ISIS is at rank #7,491, tagged as anabbrev.
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 38605, this pair ranks #1,559,545 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ISDN vs ISIS
Shared letters: is. Private to "ISDN": dn. Private to "ISIS": -.
"ISDN" · 4 letters · shape VCCC · "ISIS" · 4 letters · shape VCVC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "ISDN" and "ISIS" be used interchangeably?
Which is more common, "ISDN" or "ISIS"?
Remembering ISDN vs ISIS
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- 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