IMOvsimpConfusable pair

Quick tell: IMO is a abbrev, imp is a noun, so they fill different roles in a sentence.

Which to use

“IMO” is an abbrev and “imp” is a noun - they look or sound alike but fill different roles in a sentence.

#21,299
“IMO” frequency rank
#44,702
“imp” frequency rank
66001
confusion score

Side-by-Side Comparison

Feature IMO imp
Definition Institut für Marktökologie (Sitz in der Schweiz) ein nicht mächtiges Fabelwesen von gedrungener Gestalt; meist grünlich/bräunliche Hautfarbe

Where the eye mixes IMO and imp

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

3 ch
IMO
3 ch
imp

Why the eye confuses IMO with imp

These two trip readers on the page rather than in the ear: IMO is [ˌiːɛmˈʔoː] while imp is [ɪmp]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “IMO” becomes p in “imp”, and the parts of speech differ too (abbrev vs noun), which is usually the fastest check. Our composite confusion score for this pair is 66001, derived from the frequency rank of both members and their visual similarity.

IMO is recorded at frequency rank #21,299, classified as anabbrev, pronounced [ˌiːɛmˈʔoː]. imp is at rank #44,702, tagged as anoun, pronounced [ɪmp].

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 66001, this pair ranks #587,860 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of IMO vs imp

Shared letters: im. Private to "IMO": o. Private to "imp": p.

"IMO" · 3 letters · shape VCV  ·  "imp" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "IMO" for "imp" ever safe?
No - they are not even the same part of speech. "IMO" is an abbrev and "imp" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "IMO" or "imp" show up more?
"IMO" is the more common of the two: it sits at frequency rank #21,299 in our German list, against #44,702 for "imp". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "IMO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "imp" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #587,860 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "IMO" and "imp" also get mixed up with nearby pairs, the highest-scored neighbour is "imp vs IMs". Nearby pair

Confusion rank #587,860 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list