Which to use
“quad” is a noun and “quasi” is an adverb - they look or sound alike but fill different roles in a sentence.
- #25,275
- “quad” frequency rank
- #2,738
- “quasi” frequency rank
- 28013
- confusion score
Side-by-Side Comparison
| Feature | quad | quasi |
|---|---|---|
| Definition | allseitig von Gebäuden umgrenzter und quadratischer oder rechteckiger Platz | gleichsam, sozusagen |
Where the eye mixes quad and quasi
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. quad runs 4 letters (CVVC) against quasi's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between quad and quasi
These two trip readers on the page rather than in the ear: quad is [kwɒd] while quasi is [ˈkvaːzi]. 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 (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 28013, derived from the frequency rank of both members and their visual similarity.
quad is recorded at frequency rank #25,275, classified as anoun, pronounced [kwɒd]. quasi is at rank #2,738, tagged as anadv, pronounced [ˈkvaːzi].
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 28013, this pair ranks #1,792,076 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of quad vs quasi
Shared letters: aqu. Private to "quad": d. Private to "quasi": is.
"quad" · 4 letters · shape CVVC · "quasi" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Can "quad" and "quasi" be used interchangeably?
Which is more common, "quad" or "quasi"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "quad" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "quasi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,792,076 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "quad" and "quasi" also get mixed up with nearby pairs, the highest-scored neighbour is "quad vs Qualm". 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 #1,792,076 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.