saw vs sem, What's the Difference?

Which to use

“saw” is a noun and “sem” is a preposition - they look or sound alike but fill different roles in a sentence.

#22,456
“saw” frequency rank: #69
“sem” frequency rank: 22525
confusion score

Side-by-Side Comparison

Feature	saw	sem
Definition	serrote	indicativa de carência ou ausência

Where the eye mixes saw and sem

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

saw

3 ch

sem

Look-alike desk: saw vs sem

These two trip readers on the page rather than in the ear: saw is /sɔ/ while sem is /sɐ̃j̃/. 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 (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 22525, derived from the frequency rank of both members and their visual similarity.

saw is recorded at frequency rank #22,456, classified as anoun, pronounced /sɔ/. 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 22525, this pair ranks #47,520 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of saw vs sem

Shared letters: s. Private to "saw": aw. Private to "sem": em.

"saw" · 3 letters · shape CVC · "sem" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "saw" for "sem" ever safe?

No - they are not even the same part of speech. "saw" is a noun and "sem" a preposition, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "saw" or "sem" show up more?

"sem" is the more common of the two: it sits at frequency rank #69 in our Portuguese list, against #22,456 for "saw". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "saw" 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 #47,520 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"saw" and "sem" also get mixed up with nearby pairs, the highest-scored neighbour is "saw vs soap". Nearby pair

Confusion rank #47,520 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.