dronvsduroTell them apart

Quick tell: dron is a noun, duro is an adjective, so they fill different roles in a sentence.

Which to use

“dron” is a noun and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.

#20,001
“dron” frequency rank
#1,341
“duro” frequency rank
21342
confusion score

Side-by-Side Comparison

Feature dron duro
Definition Aeronave que vuela sin tripulación humana a bordo, también conocida en español como vehículo aéreo no tripulado (VANT), o sistema aéreo no tripulado (UAS, por siglas en inglés de Unmanned Aerial System), o UAV (por Unmanned Aerial Vehicle). Dicho de un material o cosa, que no se puede deformar o rayar sin esfuerzo.

Where the eye mixes dron and duro

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
dron
4 ch
duro

Visual trap between dron and duro

These two trip readers on the page rather than in the ear: dron is [ˈd̪ɾõn] while duro is [ˈd̪uɾo]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 21342, derived from the frequency rank of both members and their visual similarity.

dron is recorded at frequency rank #20,001, classified as anoun, pronounced [ˈd̪ɾõn]. duro is at rank #1,341, tagged as anadj, pronounced [ˈd̪uɾo].

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 21342, this pair ranks #255,352 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dron vs duro

Shared letters: dor. Private to "dron": n. Private to "duro": u.

"dron" · 4 letters · shape CCVC  ·  "duro" · 4 letters · shape CVCV

Known mistypes of this pair

  • dronddron · dorn · drno · dronn · drron · rdon
  • durodduro · druo · duor · durro · udro

Frequently Asked Questions

Do "dron" and "duro" mean the same thing in a sentence?
No - they are not even the same part of speech. "dron" is a noun and "duro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "dron" vs "duro" - which ranks higher?
"duro" is the more common of the two: it sits at frequency rank #1,341 in our Spanish list, against #20,001 for "dron". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "dron" and "duro" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dron" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "duro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #255,352 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "dron" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "dont vs dron". 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 #255,352 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list