Which to use
“sad” is an adverb and “sai” is a verb - they look or sound alike but fill different roles in a sentence.
- #23,689
- “sad” frequency rank
- #47,708
- “sai” frequency rank
- 71397
- confusion score
Side-by-Side Comparison
| Feature | sad | sai |
|---|---|---|
| Definition | in diesem Augenblick; jetzt, nun | 2. Person Singular Indikativ Präsens Aktiv des Verbs sapere |
Where the spellings diverge
Shared letters are muted; the letters that actually set sad and sai 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: sad is [ˈsad] while sai is [ˈsai̯]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “sad” becomes i in “sai”, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 71397, derived from the frequency rank of both members and their visual similarity.
sad is recorded at frequency rank #23,689, classified as anadv, pronounced [ˈsad]. sai is at rank #47,708, tagged as averb, pronounced [ˈsai̯].
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 71397, this pair ranks #418,039 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of sad vs sai
Shared letters: as. Private to "sad": d. Private to "sai": i.
"sad" · 3 letters · shape CVC · "sai" · 3 letters · shape CVV
Frequency comparison
Frequently Asked Questions
Can "sad" and "sai" be used interchangeably?
Which is more common, "sad" or "sai"?
Remembering sad vs sai
The fastest way to pick the right one every time.
- Check the role first: if you need an adverb, it's “sad”; for a verb, it's “sai”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sad” entry
- Browse more pairs most likely to be confused. Most confusable