servssmeWhat's the difference?

Quick tell: ser is a noun, sme is a verb, so they fill different roles in a sentence.

Which to use

“ser” is a noun and “sme” is a verb - they look or sound alike but fill different roles in a sentence.

#30
“ser” frequency rank
#40,334
“sme” frequency rank
40364
confusion score

Side-by-Side Comparison

Feature ser sme
Definition existir, aquilo que supõe-se existir primeira pessoa do plural do futuro do indicativo do verbo byť

Letter map: ser vs sme

Shared letters muted; letters that set ser and sme apart highlighted. Shared run: 2.

3 ch
ser
3 ch
sme

Role in the sentence - ser and sme

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ser is anoun and smeaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40364, derived from the frequency rank of both members and their visual similarity.

ser is recorded at frequency rank #30, classified as anoun, pronounced /ˈseɾ/. sme is at rank #40,334, tagged as averb.

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 40364, this pair ranks #25,758 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ser vs sme

Shared letters: es. Private to "ser": r. Private to "sme": m.

"ser" · 3 letters · shape CVC  ·  "sme" · 3 letters · shape CCV

Frequently Asked Questions

Can "ser" and "sme" be used interchangeably?
No - they are not even the same part of speech. "ser" is a noun and "sme" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "ser" or "sme" show up more?
"ser" is the more common of the two: it sits at frequency rank #30 in our Portuguese list, against #40,334 for "sme". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "ser" and "sme".

  • Full dictionary entry for "ser" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sme" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #25,758 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ser" and "sme" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs sme". Nearby pair

Confusion rank #25,758 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list