Which to use
“seen” is a verb and “sem” is a preposition - they look or sound alike but fill different roles in a sentence.
- #32,769
- “seen” frequency rank
- #69
- “sem” frequency rank
- 32838
- confusion score
Side-by-Side Comparison
| Feature | seen | sem |
|---|---|---|
| Definition | particípio do verbo see | indicativa de carência ou ausência |
Where the eye mixes seen and sem
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses seen with sem
These two trip readers on the page rather than in the ear: seen is /siːn/, /si:n/ while sem is /sɐ̃j̃/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 32838, derived from the frequency rank of both members and their visual similarity.
seen is recorded at frequency rank #32,769, classified as averb, pronounced /siːn/, /si:n/. sem is at rank #69, tagged as aprep, pronounced /sɐ̃j̃/.
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 32838, this pair ranks #34,844 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of seen vs sem
Shared letters: es. Private to "seen": n. Private to "sem": m.
"seen" · 4 letters · shape CVVC · "sem" · 3 letters · shape CVC
Known mistypes of this pair
- seen ← esen · seenn · sene · sseen
Frequently Asked Questions
Do "seen" and "sem" mean the same thing in a sentence?
Frequency check: "seen" vs "sem" - which ranks higher?
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 "seen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sem" - compare definitions side by side with the headword page. Word entry
- This pair ranks #34,844 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "seen" and "sem" also get mixed up with nearby pairs, the highest-scored neighbour is "seen vs sueño". 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 #34,844 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.