E3vsemConfusable pair

Quick tell: E3 is a name, em is a noun, so they fill different roles in a sentence.

Which to use

“E3” is a name and “em” is a noun - they look or sound alike but fill different roles in a sentence.

#19,068
“E3” frequency rank
#2,623
“em” frequency rank
21691
confusion score

Side-by-Side Comparison

Feature E3 em
Definition Abbreviation of Electronic Entertainment Expo, a large trade event for the video game industry. The name of the Latin script letter M/m.

Where the eye mixes E3 and em

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

2 ch
E3
2 ch
em

Visual trap between E3 and em

These two trip readers on the page rather than in the ear: E3 is /iː.θri/ while em is /ˈɛm/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - 3 in “E3” becomes m in “em”, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 21691, derived from the frequency rank of both members and their visual similarity.

E3 is recorded at frequency rank #19,068, classified as aname, pronounced /iː.θri/. em is at rank #2,623, tagged as anoun, pronounced /ˈɛm/.

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 21691, this pair ranks #422,076 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of E3 vs em

Shared letters: e. Private to "E3": -. Private to "em": m.

"E3" · 1 letters · shape V  ·  "em" · 2 letters · shape VC

Frequently Asked Questions

Do "E3" and "em" mean the same thing in a sentence?
No - they are not even the same part of speech. "E3" is a name and "em" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "E3" or "em"?
"em" is the more common of the two: it sits at frequency rank #2,623 in our English list, against #19,068 for "E3". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "E3" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "em" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #422,076 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "E3" and "em" also get mixed up with nearby pairs, the highest-scored neighbour is "E3 vs Eri". Nearby pair

Confusion rank #422,076 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list