elmvsergTell them apart

Which to use

“elm” and “erg” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,066
“elm” frequency rank
#48,222
“erg” frequency rank
66288
confusion score

Side-by-Side Comparison

Feature elm erg
Definition A tree of the genus Ulmus of the family Ulmaceae, large deciduous trees with alternate stipulate leaves and small apetalous flowers. A unit of work or energy, being the amount of work done by a force of one dyne applied through a distance of one centimeter. Equal to 10⁻⁷ joules.

Where the eye mixes elm and erg

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

3 ch
elm
3 ch
erg

Visual trap between elm and erg

A purely visual mix-up. elm (/ɛlm/) and erg (/ɜːɡ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 66288, derived from the frequency rank of both members and their visual similarity.

elm is recorded at frequency rank #18,066, classified as anoun, pronounced /ɛlm/. erg is at rank #48,222, tagged as anoun, pronounced /ɜːɡ/.

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 66288, this pair ranks #68,697 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of elm vs erg

Shared letters: e. Private to "elm": lm. Private to "erg": gr.

"elm" · 3 letters · shape VCC  ·  "erg" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "elm" for "erg" ever safe?
No. They are said differently (/ɛlm/ versus /ɜːɡ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "elm" or "erg"?
"elm" is the more common of the two: it sits at frequency rank #18,066 in our English list, against #48,222 for "erg". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "elm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erg" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #68,697 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "elm" and "erg" also get mixed up with nearby pairs, the highest-scored neighbour is "erg vs Eri". Nearby pair

Confusion rank #68,697 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