emuvserWhich spelling fits?

Quick tell: emu is a noun, er is an intj, so they fill different roles in a sentence.

Which to use

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

#27,135
“emu” frequency rank
#4,756
“er” frequency rank
31891
confusion score

Side-by-Side Comparison

Feature emu er
Definition A large flightless bird native to Australia, Dromaius novaehollandiae. Said when hesitating in speech.

Where the eye mixes emu and er

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. emu runs 3 letters (VCV) against er's 2 (VC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
emu
2 ch
er

Look-alike desk: emu vs er

These two trip readers on the page rather than in the ear: emu is /ˈiːmjuː/ while er is /ɜː/. 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 (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 31891, derived from the frequency rank of both members and their visual similarity.

emu is recorded at frequency rank #27,135, classified as anoun, pronounced /ˈiːmjuː/. er is at rank #4,756, tagged as anintj, pronounced /ɜː/.

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 31891, this pair ranks #342,373 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of emu vs er

Shared letters: e. Private to "emu": mu. Private to "er": r.

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

Frequently Asked Questions

Can "emu" and "er" be used interchangeably?
No - they are not even the same part of speech. "emu" is a noun and "er" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "emu" or "er"?
"er" is the more common of the two: it sits at frequency rank #4,756 in our English list, against #27,135 for "emu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "emu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "er" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #342,373 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "emu" and "er" also get mixed up with nearby pairs, the highest-scored neighbour is "emu vs Eri". Nearby pair

Confusion rank #342,373 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