emvsEmaWhat's the difference?

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

Which to use

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

#7
“em” frequency rank
#19,695
“Ema” frequency rank
19702
confusion score

Side-by-Side Comparison

Feature em Ema
Definition exprime a ideia de: prenome feminino

Where the eye mixes em and Ema

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
em
3 ch
Ema

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: em is /ɐj̃/ while Ema is /ˈẽ.mɐ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “em” sits inside “Ema”, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19702, derived from the frequency rank of both members and their visual similarity.

em is recorded at frequency rank #7, classified as aprep, pronounced /ɐj̃/. Ema is at rank #19,695, tagged as anoun, pronounced /ˈẽ.mɐ/.

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 19702, this pair ranks #50,980 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of em vs Ema

Shared letters: em. Private to "em": -. Private to "Ema": a.

"em" · 2 letters · shape VC  ·  "Ema" · 3 letters · shape VCV

Frequently Asked Questions

Can "em" and "Ema" be used interchangeably?
No - they are not even the same part of speech. "em" is a preposition and "Ema" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "em" or "Ema"?
"em" is the more common of the two: it sits at frequency rank #7 in our Portuguese list, against #19,695 for "Ema". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list