uhhvsUlmWhat's the difference?

Quick tell: uhh is a intj, Ulm is a name, so they fill different roles in a sentence.

Which to use

“uhh” is an intj and “Ulm” is a name - they look or sound alike but fill different roles in a sentence.

#16,153
“uhh” frequency rank
#46,235
“Ulm” frequency rank
62388
confusion score

Side-by-Side Comparison

Feature uhh Ulm
Definition Alternative form of uh. A city on the River Danube in Baden-Württemberg, Germany.

Where the eye mixes uhh and Ulm

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

3 ch
uhh
3 ch
Ulm

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: uhh is [əː] while Ulm is /ʊlm/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (intj vs name), which is usually the fastest check. Our composite confusion score for this pair is 62388, derived from the frequency rank of both members and their visual similarity.

uhh is recorded at frequency rank #16,153, classified as anintj, pronounced [əː]. Ulm is at rank #46,235, tagged as aname, pronounced /ʊlm/.

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 62388, this pair ranks #88,770 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of uhh vs Ulm

Shared letters: u. Private to "uhh": h. Private to "Ulm": lm.

"uhh" · 3 letters · shape VCC  ·  "Ulm" · 3 letters · shape VCC

Frequently Asked Questions

Can "uhh" and "Ulm" be used interchangeably?
No - they are not even the same part of speech. "uhh" is an intj and "Ulm" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "uhh" or "Ulm"?
"uhh" is the more common of the two: it sits at frequency rank #16,153 in our English list, against #46,235 for "Ulm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list