Which to use
“UAS” and “UAV” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,687
- “UAS” frequency rank
- #31,809
- “UAV” frequency rank
- 81496
- confusion score
Side-by-Side Comparison
| Feature | UAS | UAV |
|---|---|---|
| Definition | Initialism of uncrewed aerial system, unmanned aerial system, uncrewed aircraft system, or unmanned aircraft system: an aircraft with no onboard pilot, and sometimes completely unpiloted, as well as the other components of the system, including automated guidance and telemetry, a remote operator if any, etc. | Initialism of unmanned aerial vehicle or uncrewed aerial vehicle: an aircraft with no onboard pilot, and sometimes completely unpiloted, that is capable of controlled, sustained, level flight. |
Where the spellings diverge
Shared letters are muted; the letters that actually set UAS and UAV apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
UAS and UAV are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - s in “UAS” becomes v in “UAV”. Our composite confusion score for this pair is 81496, derived from the frequency rank of both members and their visual similarity.
UAS is recorded at frequency rank #49,687, classified as anoun. UAV is at rank #31,809, tagged as anoun.
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 81496, this pair ranks #17,555 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of UAS vs UAV
Shared letters: au. Private to "UAS": s. Private to "UAV": v.
"UAS" · 3 letters · shape VVC · "UAV" · 3 letters · shape VVC
Frequency comparison
Frequently Asked Questions
Can "UAS" and "UAV" be used interchangeably?
Which is more common, "UAS" or "UAV"?
Remembering UAS vs UAV
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “UAS” entry
- Browse more pairs most likely to be confused. Most confusable