Which to use
“nos” is a noun and “NTSB” is a name - they look or sound alike but fill different roles in a sentence.
- #14,600
- “nos” frequency rank
- #39,935
- “NTSB” frequency rank
- 54535
- confusion score
Side-by-Side Comparison
| Feature | nos | NTSB |
|---|---|---|
| Definition | plural of no | Initialism of National Transportation Safety Board. |
Letter map: nos vs NTSB
Shared letters muted; letters that set nos and NTSB apart highlighted. Shared run: 2. nos runs 3 letters (CVC) against NTSB's 4 (CCCC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - nos and NTSB
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: nos is anoun and NTSBaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 54535, derived from the frequency rank of both members and their visual similarity.
nos is recorded at frequency rank #14,600, classified as anoun. NTSB is at rank #39,935, tagged as aname.
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 54535, this pair ranks #140,313 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of nos vs NTSB
Shared letters: ns. Private to "nos": o. Private to "NTSB": bt.
"nos" · 3 letters · shape CVC · "NTSB" · 4 letters · shape CCCC
Known mistypes of this pair
- NTSB ← nntsb · nstb · ntbs · ntsbb · ntssb · nttsb · tnsb
Frequently Asked Questions
Do "nos" and "NTSB" mean the same thing in a sentence?
Which is more common, "nos" or "NTSB"?
Useful next steps
Pair "nos" vs "NTSB" is on the table, pick a follow-up below.
- Full dictionary entry for "nos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "NTSB" - compare definitions side by side with the headword page. Word entry
- This pair ranks #140,313 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "nos" and "NTSB" also get mixed up with nearby pairs, the highest-scored neighbour is "Nasr vs NTSB". 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 #140,313 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.