Which to use
“lesson” is a verb and “Lisbon” is a name - they look or sound alike but fill different roles in a sentence.
- #3,177
- “lesson” frequency rank
- #12,272
- “Lisbon” frequency rank
- 15449
- confusion score
Side-by-Side Comparison
| Feature | lesson | Lisbon |
|---|---|---|
| Definition | To instruct to teach. | A port city on the Iberian Peninsula, at the mouth of the Tagus River on the Atlantic Ocean; the capital city of Portugal. |
Where the eye mixes lesson and Lisbon
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: lesson vs Lisbon
These two trip readers on the page rather than in the ear: lesson is /ˈlɛs.ən/ while Lisbon is /ˈlɪzbən/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 15449, derived from the frequency rank of both members and their visual similarity.
lesson is recorded at frequency rank #3,177, classified as averb, pronounced /ˈlɛs.ən/. Lisbon is at rank #12,272, tagged as aname, pronounced /ˈlɪzbən/.
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 15449, this pair ranks #463,891 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of lesson vs Lisbon
Shared letters: lnos. Private to "lesson": e. Private to "Lisbon": bi.
"lesson" · 6 letters · shape CVCCVC · "Lisbon" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "lesson" and "Lisbon" mean the same thing in a sentence?
In ordinary English text, does "lesson" or "Lisbon" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "lesson" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Lisbon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #463,891 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lesson" and "Lisbon" also get mixed up with nearby pairs, the highest-scored neighbour is "Lisbon vs Liston". 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 #463,891 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.