robotvsrojoTell them apart

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

Which to use

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

#16,864
“robot” frequency rank
#29,505
“rojo” frequency rank
46369
confusion score

Side-by-Side Comparison

Feature robot rojo
Definition robô vermelho

Letter map: robot vs rojo

Shared letters muted; letters that set robot and rojo apart highlighted. Shared run: 3.

5 ch
robot
4 ch
rojo

Grammar separator: robot vs rojo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: robot is anoun and rojoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46369, derived from the frequency rank of both members and their visual similarity.

robot is recorded at frequency rank #16,864, classified as anoun, pronounced /ʁo.bo/. rojo is at rank #29,505, tagged as anadj.

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 46369, this pair ranks #18,942 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of robot vs rojo

Shared letters: or. Private to "robot": bt. Private to "rojo": j.

"robot" · 5 letters · shape CVCVC  ·  "rojo" · 4 letters · shape CVCV

Known mistypes of this pair

  • robotorbot · rboot · robbot · robott · robto · roobt · rrobot
  • rojoorjo · rjoo · rojjo · rooj · rrojo

Frequently Asked Questions

Do "robot" and "rojo" mean the same thing in a sentence?
No - they are not even the same part of speech. "robot" is a noun and "rojo" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "robot" or "rojo" show up more?
"robot" is the more common of the two: it sits at frequency rank #16,864 in our Portuguese list, against #29,505 for "rojo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "robot" vs "rojo" is on the table, pick a follow-up below.

  • Full dictionary entry for "robot" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rojo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,942 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "robot" and "rojo" also get mixed up with nearby pairs, the highest-scored neighbour is "robe vs rojo". 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 #18,942 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list