emvsetsWhat's the difference?

Quick tell: em is a preposition, ets is a verb, so they fill different roles in a sentence.

Which to use

“em” is a preposition and “ets” is a verb - they look or sound alike but fill different roles in a sentence.

#7
“em” frequency rank
#34,703
“ets” frequency rank
34710
confusion score

Side-by-Side Comparison

Feature em ets
Definition exprime a ideia de: segunda pessoa do singular do presente do indicativo do verbo ésser

Where the eye mixes em and ets

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

2 ch
em
3 ch
ets

Why the eye confuses em with ets

These two trip readers on the page rather than in the ear: em is /ɐj̃/ while ets is /ˈeʦ/. 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 (preposition vs verb), which is usually the fastest check. Our composite confusion score for this pair is 34710, derived from the frequency rank of both members and their visual similarity.

em is recorded at frequency rank #7, classified as aprep, pronounced /ɐj̃/. ets is at rank #34,703, tagged as averb, pronounced /ˈeʦ/.

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 34710, this pair ranks #32,490 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of em vs ets

Shared letters: e. Private to "em": m. Private to "ets": st.

"em" · 2 letters · shape VC  ·  "ets" · 3 letters · shape VCC

Frequently Asked Questions

Can "em" and "ets" be used interchangeably?
No - they are not even the same part of speech. "em" is a preposition and "ets" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "em" vs "ets" - which ranks higher?
"em" is the more common of the two: it sits at frequency rank #7 in our Portuguese list, against #34,703 for "ets". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "em" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ets" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,490 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "em" and "ets" also get mixed up with nearby pairs, the highest-scored neighbour is "être vs ets". Nearby pair

Confusion rank #32,490 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