Which to use
“ibas” is a verb and “IES” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #8,129
- “ibas” frequency rank
- #21,019
- “IES” frequency rank
- 29148
- confusion score
Side-by-Side Comparison
| Feature | ibas | IES |
|---|---|---|
| Definition | Segunda persona del singular (tú, vos) del pretérito imperfecto de indicativo de ir o de irse. | Instituto de Educación Secundaria (España). |
Where the eye mixes ibas and IES
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ibas runs 4 letters (VCVC) against IES's 3 (VVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between ibas and IES
These two trip readers on the page rather than in the ear: ibas is [ˈiβ̞as] while IES is [ˈjes]. 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 (verb vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 29148, derived from the frequency rank of both members and their visual similarity.
ibas is recorded at frequency rank #8,129, classified as averb, pronounced [ˈiβ̞as]. IES is at rank #21,019, tagged as anabbrev, pronounced [ˈjes].
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 29148, this pair ranks #218,451 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ibas vs IES
Shared letters: is. Private to "ibas": ab. Private to "IES": e.
"ibas" · 4 letters · shape VCVC · "IES" · 3 letters · shape VVC
Known mistypes of this pair
- ibas ← iabs · ibass · ibbas · ibsa · ivas
Frequently Asked Questions
Can "ibas" and "IES" be used interchangeably?
Which is more common, "ibas" or "IES"?
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 "ibas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "IES" - compare definitions side by side with the headword page. Word entry
- This pair ranks #218,451 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ibas" and "IES" also get mixed up with nearby pairs, the highest-scored neighbour is "IES vs iza". 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 #218,451 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.