Which to use
“legion” is an adjective and “Lego” is a noun - they look or sound alike but fill different roles in a sentence.
- #8,812
- “legion” frequency rank
- #9,203
- “Lego” frequency rank
- 18015
- confusion score
Side-by-Side Comparison
| Feature | legion | Lego |
|---|---|---|
| Definition | Numerous; vast; very great in number. | Any of several small, coloured, plastic bricks, often made by the Lego Company, that can be made to join together and be taken apart, used to construct toy buildings, vehicles, etc. |
Where the eye mixes legion and Lego
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. legion runs 6 letters (CVCVVC) against Lego's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: legion vs Lego
These two trip readers on the page rather than in the ear: legion is /ˈliː.d͡ʒən/ while Lego is /ˈlɛɡoʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 18015, derived from the frequency rank of both members and their visual similarity.
legion is recorded at frequency rank #8,812, classified as anadj, pronounced /ˈliː.d͡ʒən/. Lego is at rank #9,203, tagged as anoun, pronounced /ˈlɛɡoʊ/.
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 18015, this pair ranks #447,680 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of legion vs Lego
Shared letters: eglo. Private to "legion": in. Private to "Lego": -.
"legion" · 6 letters · shape CVCVVC · "Lego" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "legion" and "Lego" be used interchangeably?
Frequency check: "legion" vs "Lego" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "legion" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Lego" - compare definitions side by side with the headword page. Word entry
- This pair ranks #447,680 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "legion" and "Lego" also get mixed up with nearby pairs, the highest-scored neighbour is "Lego vs lel". 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 #447,680 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.