UE vs ui, What's the Difference?

Which to use

“UE” is an abbrev and “ui” is an intj - they look or sound alike but fill different roles in a sentence.

#31,314
“UE” frequency rank: #13,713
“ui” frequency rank: 45027
confusion score

Side-by-Side Comparison

Feature	UE	ui
Definition	EU	Ausdruck des Bestaunens

Where the eye mixes UE and ui

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

2 ch

Look-alike desk: UE vs ui

These two trip readers on the page rather than in the ear: UE is [y.ø] while ui is [ʊɪ̯]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “UE” becomes i in “ui”, and the parts of speech differ too (abbrev vs intj), which is usually the fastest check. Our composite confusion score for this pair is 45027, derived from the frequency rank of both members and their visual similarity.

UE is recorded at frequency rank #31,314, classified as anabbrev, pronounced [y.ø]. ui is at rank #13,713, tagged as anintj, pronounced [ʊɪ̯].

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 45027, this pair ranks #1,366,896 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of UE vs ui

Shared letters: u. Private to "UE": e. Private to "ui": i.

"UE" · 2 letters · shape VV · "ui" · 2 letters · shape VV

Frequently Asked Questions

Can "UE" and "ui" be used interchangeably?

No - they are not even the same part of speech. "UE" is an abbrev and "ui" an intj, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "UE" or "ui"?

"ui" is the more common of the two: it sits at frequency rank #13,713 in our German list, against #31,314 for "UE". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

Full dictionary entry for "UE" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ui" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,366,896 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"UE" and "ui" also get mixed up with nearby pairs, the highest-scored neighbour is "UE vs Unze". Nearby pair

Confusion rank #1,366,896 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.