er vs era, What's the Difference?

Which to use

“er” is a pronoun and “era” is a noun - they look or sound alike but fill different roles in a sentence.

#11,866
“er” frequency rank: #72
“era” frequency rank: 11938
confusion score

Side-by-Side Comparison

Feature	er	era
Definition	ele, aquele, aquilo, terceira pessoa do masculino singular do caso nominativo	época, período

Letter map: er vs era

Shared letters muted; letters that set er and era apart highlighted. Shared run: 2.

2 ch

3 ch

era

Part-of-speech tell for er / era

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: er is apronoun and eraanoun. On the page they differ by 1 extra letter(s) - “er” sits inside “era”. Our composite confusion score for this pair is 11938, derived from the frequency rank of both members and their visual similarity.

er is recorded at frequency rank #11,866, classified as apron. era is at rank #72, tagged as anoun, pronounced /ˈɛ.ɾə/.

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 11938, this pair ranks #60,791 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of er vs era

Shared letters: er. Private to "er": -. Private to "era": a.

"er" · 2 letters · shape VC · "era" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "er" for "era" ever safe?

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

In ordinary Portuguese text, does "er" or "era" show up more?

"era" is the more common of the two: it sits at frequency rank #72 in our Portuguese list, against #11,866 for "er". 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 "er" and "era".

Full dictionary entry for "er" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "era" - compare definitions side by side with the headword page. Word entry
This pair ranks #60,791 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"er" and "era" also get mixed up with nearby pairs, the highest-scored neighbour is "er vs être". Nearby pair

Confusion rank #60,791 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.