era vs esa, What's the Difference?

Which to use

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

#65
“era” frequency rank: #94
“esa” frequency rank: 159
confusion score

Side-by-Side Comparison

Feature	era	esa
Definition	Periodo geológico de larga duración.	Se emplea para indicar o señalar algo o a alguien próximo al interlocutor, o referirse a algo que este acaba de mencionar. Designa también algo menos cercano en el tiempo o en el espacio que lo indicado por el pronombre "esta".

Where the spellings diverge

Shared letters are muted; the letters that actually set era and esa apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch

era

3 ch

esa

Spelling & Dictionary Insight

era and esa form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by a single letter - r in “era” becomes s in “esa” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 159, derived from the frequency rank of both members and their visual similarity.

era is recorded at frequency rank #65, classified as anoun, pronounced [ˈeɾa]. esa is at rank #94, tagged as apron, pronounced [ˈesa].

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 159, this pair ranks #323,723 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

era#65

esa#94

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "era" and "esa" be used interchangeably?

No, "era" and "esa" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering era vs esa

The fastest way to pick the right one every time.

Check the role first: if you need a noun, it's “era”; for a pronoun, it's “esa”.
See each word in full, definition, IPA, etymology and its other confusables. Full “era” entry
Browse more pairs most likely to be confused. Most confusable