Which to use
“init” is a noun and “isn't” is a verb - they look or sound alike but fill different roles in a sentence.
- #39,860
- “init” frequency rank
- #376
- “isn't” frequency rank
- 40236
- confusion score
Side-by-Side Comparison
| Feature | init | isn't |
|---|---|---|
| Definition | Clipping of initialization. | Contraction of is + not (negative auxiliary). |
Where the spellings diverge
Shared letters are muted; the letters that actually set init and isn't apart are highlighted. They share 3 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: init is /ˈɪn.ɪt/ while isn't is /ˈɪz.ənt/. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 40236, derived from the frequency rank of both members and their visual similarity.
init is recorded at frequency rank #39,860, classified as anoun, pronounced /ˈɪn.ɪt/. isn't is at rank #376, tagged as averb, pronounced /ˈɪz.ənt/.
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 40236, this pair ranks #269,392 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of init vs isn't
Shared letters: int. Private to "init": -. Private to "isn't": s.
"init" · 4 letters · shape VCVC · "isn't" · 4 letters · shape VCCC
Known mistypes of this pair
- init ← iint · initt · inti · niit
Frequency comparison
Frequently Asked Questions
Can "init" and "isn't" be used interchangeably?
Which is more common, "init" or "isn't"?
Remembering init vs isn't
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “init”; for a verb, it's “isn't”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “init” entry
- Browse more pairs most likely to be confused. Most confusable