Which to use
“robot” and “rook” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,793
- “robot” frequency rank
- #25,558
- “rook” frequency rank
- 30351
- confusion score
Side-by-Side Comparison
| Feature | robot | rook |
|---|---|---|
| Definition | A system of serfdom used in Central Europe, under which a tenant's rent was paid in forced labour. | A European bird, Corvus frugilegus, of the crow family. |
Where the eye mixes robot and rook
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses robot with rook
A purely visual mix-up. robot (/ˈɹəʊ.bɒt/) and rook (/ɹʊk/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 30351, derived from the frequency rank of both members and their visual similarity.
robot is recorded at frequency rank #4,793, classified as anoun, pronounced /ˈɹəʊ.bɒt/. rook is at rank #25,558, tagged as anoun, pronounced /ɹʊk/.
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 30351, this pair ranks #355,255 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of robot vs rook
Shared letters: or. Private to "robot": bt. Private to "rook": k.
"robot" · 5 letters · shape CVCVC · "rook" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Can "robot" and "rook" be used interchangeably?
Frequency check: "robot" vs "rook" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "robot" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rook" - compare definitions side by side with the headword page. Word entry
- This pair ranks #355,255 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "robot" and "rook" also get mixed up with nearby pairs, the highest-scored neighbour is "rook vs rooks". 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 #355,255 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.