ibavsistWhat's the difference?

Which to use

“iba” and “ist” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#500
“iba” frequency rank
#41,994
“ist” frequency rank
42494
confusion score

Side-by-Side Comparison

Feature iba ist
Definition Primera persona del singular (yo) del pretérito imperfecto de indicativo de ir o de irse. Tercera persona del singular (er, sie, es) del presente de indicativo de sein.

Where the eye mixes iba and ist

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

3 ch
iba
3 ch
ist

Visual trap between iba and ist

A purely visual mix-up. iba ([ˈiβ̞a]) and ist (/ɪst/) 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 42494, derived from the frequency rank of both members and their visual similarity.

iba is recorded at frequency rank #500, classified as averb, pronounced [ˈiβ̞a]. ist is at rank #41,994, tagged as averb, pronounced /ɪst/.

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 42494, this pair ranks #147,889 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of iba vs ist

Shared letters: i. Private to "iba": ab. Private to "ist": st.

"iba" · 3 letters · shape VCV  ·  "ist" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "iba" for "ist" ever safe?
No. They are said differently ([ˈiβ̞a] versus /ɪst/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "iba" or "ist"?
"iba" is the more common of the two: it sits at frequency rank #500 in our Spanish list, against #41,994 for "ist". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "iba" and "ist" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "iba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ist" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #147,889 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "iba" and "ist" also get mixed up with nearby pairs, the highest-scored neighbour is "ist vs iza". Nearby pair

Confusion rank #147,889 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