Which to use
“is” is a verb and “ISIS” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #478
- “is” frequency rank
- #7,491
- “ISIS” frequency rank
- 7969
- confusion score
Side-by-Side Comparison
| Feature | is | ISIS |
|---|---|---|
| Definition | [1] umgangssprachlich, dialektal, norddeutsch: 3. Person Singular Indikativ Präsens des Verbs sein | 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“ |
Letter map: is vs ISIS
Shared letters muted; letters that set is and ISIS apart highlighted. Shared run: 2.
Part-of-speech tell for is / ISIS
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: is is averb and ISISanabbrev. On the page they differ by 2 extra letter(s) - “is” sits inside “ISIS”. Our composite confusion score for this pair is 7969, derived from the frequency rank of both members and their visual similarity.
is is recorded at frequency rank #478, classified as averb, pronounced [ɪs]. 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 7969, this pair ranks #1,986,119 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of is vs ISIS
Shared letters: is. Private to "is": -. Private to "ISIS": -.
"is" · 2 letters · shape VC · "ISIS" · 4 letters · shape VCVC
Known mistypes of this pair
- ISIS ← iiss · isiss · issi · issis · siis
Frequently Asked Questions
Is swapping "is" for "ISIS" ever safe?
Frequency check: "is" vs "ISIS" - which ranks higher?
What to do next
You've compared "is" and "ISIS". Here's where to go from here.
- Full dictionary entry for "is" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ISIS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,986,119 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "is" and "ISIS" also get mixed up with nearby pairs, the highest-scored neighbour is "IMs vs ISIS". 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 #1,986,119 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.