ibvsistWhat's the difference?

Quick tell: ib is a abbrev, ist is a verb, so they fill different roles in a sentence.

Which to use

“ib” is an abbrev and “ist” is a verb - they look or sound alike but fill different roles in a sentence.

#24,896
“ib” frequency rank
#41,994
“ist” frequency rank
66890
confusion score

Side-by-Side Comparison

Feature ib ist
Definition Ibidem. Tercera persona del singular (er, sie, es) del presente de indicativo de sein.

Where the spellings diverge

Shared letters are muted; the letters that actually set ib and ist apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

2 ch
ib
3 ch
ist

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: ib is [ˈiβ̞] while ist is /ɪst/. 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 (abbrev vs verb), which is usually the fastest check. Our composite confusion score for this pair is 66890, derived from the frequency rank of both members and their visual similarity.

ib is recorded at frequency rank #24,896, classified as anabbrev, pronounced [ˈiβ̞]. 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 66890, this pair ranks #38,596 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of ib vs ist

Shared letters: i. Private to "ib": b. Private to "ist": st.

"ib" · 2 letters · shape VC  ·  "ist" · 3 letters · shape VCC

Frequency comparison

ib#24,896
ist#41,994

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ib" and "ist" be used interchangeably?
No - they are not even the same part of speech. "ib" is an abbrev and "ist" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ib" or "ist"?
"ib" is the more common of the two: it sits at frequency rank #24,896 in our Spanish list, against #41,994 for "ist". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ib vs ist

The fastest way to pick the right one every time.

  • Check the role first: if you need an abbrev, it's “ib”; for a verb, it's “ist”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “ib” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list