ibavsisaWhat's the difference?

Quick tell: iba is a verb, isa is a noun, so they fill different roles in a sentence.

Which to use

“iba” is a verb and “isa” is a noun - they look or sound alike but fill different roles in a sentence.

#500
“iba” frequency rank
#17,738
“isa” frequency rank
18238
confusion score

Side-by-Side Comparison

Feature iba isa
Definition Primera persona del singular (yo) del pretérito imperfecto de indicativo de ir o de irse. Estilo musical vocal, en ritmo de tres cuartos, típico de las Islas Canarias.

Where the eye mixes iba and isa

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

3 ch
iba
3 ch
isa

Visual trap between iba and isa

These two trip readers on the page rather than in the ear: iba is [ˈiβ̞a] while isa is [ˈisa]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - b in “iba” becomes s in “isa”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 18238, derived from the frequency rank of both members and their visual similarity.

iba is recorded at frequency rank #500, classified as averb, pronounced [ˈiβ̞a]. isa is at rank #17,738, tagged as anoun, pronounced [ˈisa].

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 18238, this pair ranks #268,765 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of iba vs isa

Shared letters: ai. Private to "iba": b. Private to "isa": s.

"iba" · 3 letters · shape VCV  ·  "isa" · 3 letters · shape VCV

Frequently Asked Questions

Do "iba" and "isa" mean the same thing in a sentence?
No - they are not even the same part of speech. "iba" is a verb and "isa" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "iba" or "isa"?
"iba" is the more common of the two: it sits at frequency rank #500 in our Spanish list, against #17,738 for "isa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "iba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #268,765 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "iba" and "isa" also get mixed up with nearby pairs, the highest-scored neighbour is "isa vs iza". Nearby pair

Confusion rank #268,765 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