ergovsexpoTell them apart

Quick tell: ergo is a conjunction, expo is a noun, so they fill different roles in a sentence.

Which to use

“ergo” is a conjunction and “expo” is a noun - they look or sound alike but fill different roles in a sentence.

#29,634
“ergo” frequency rank
#13,463
“expo” frequency rank
43097
confusion score

Side-by-Side Comparison

Feature ergo expo
Definition Por lo antes mencionado, debido a la situación, razón o motivo que acaba de exponerse. Exposición.

Where the eye mixes ergo and expo

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

4 ch
ergo
4 ch
expo

Visual trap between ergo and expo

These two trip readers on the page rather than in the ear: ergo is [ˈeɾɣ̞o] while expo is [ˈekspo]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (conjunction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 43097, derived from the frequency rank of both members and their visual similarity.

ergo is recorded at frequency rank #29,634, classified as aconj, pronounced [ˈeɾɣ̞o]. expo is at rank #13,463, tagged as anoun, pronounced [ˈekspo].

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 43097, this pair ranks #144,542 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ergo vs expo

Shared letters: eo. Private to "ergo": gr. Private to "expo": px.

"ergo" · 4 letters · shape VCCV  ·  "expo" · 4 letters · shape VCCV

Known mistypes of this pair

  • ergoegro · erggo · erog · errgo · rego
  • expoepxo · exop · exppo · exxpo · xepo

Frequently Asked Questions

Do "ergo" and "expo" mean the same thing in a sentence?
No - they are not even the same part of speech. "ergo" is a conjunction and "expo" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ergo" or "expo"?
"expo" is the more common of the two: it sits at frequency rank #13,463 in our Spanish list, against #29,634 for "ergo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ergo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "expo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #144,542 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ergo" and "expo" also get mixed up with nearby pairs, the highest-scored neighbour is "egeo vs ergo". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #144,542 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list