energyvsullaTell them apart

Quick tell: energy is a noun, ulla is an unknown, so they fill different roles in a sentence.

Which to use

“energy” is a noun and “ulla” is an unknown - they look or sound alike but fill different roles in a sentence.

#8,353
“energy” frequency rank
#24,155
“ulla” frequency rank
32508
confusion score

Side-by-Side Comparison

Feature energy ulla
Definition Fähigkeit Arbeit zu verrichten: Energie Nominativ Singular Femininum des Indefinitpronomens ullus

Letter map: energy vs ulla

Shared letters muted; letters that set energy and ulla apart highlighted. No shared letter run. energy runs 6 letters (VCVCCV) against ulla's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
energy
4 ch
ulla

Role in the sentence - energy and ulla

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: energy is anoun and ullaanunknown. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 32508, derived from the frequency rank of both members and their visual similarity.

energy is recorded at frequency rank #8,353, classified as anoun, pronounced […]. ulla is at rank #24,155, tagged as anunknown, pronounced […].

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 32508, this pair ranks #1,706,093 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of energy vs ulla

Shared letters: none. Private to "energy": egnry. Private to "ulla": alu.

"energy" · 6 letters · shape VCVCCV  ·  "ulla" · 4 letters · shape VCCV

Known mistypes of this pair

  • energyeenrgy · enegry · energgy · energyy · enerrgy · eneryg · ennergy · enregy
  • ullalula · ula · ulal

Frequently Asked Questions

Can "energy" and "ulla" be used interchangeably?
No - they are not even the same part of speech. "energy" is a noun and "ulla" an unknown, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "energy" or "ulla" show up more?
"energy" is the more common of the two: it sits at frequency rank #8,353 in our German list, against #24,155 for "ulla". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "energy" and "ulla".

  • Full dictionary entry for "energy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ulla" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,706,093 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "energy" and "ulla" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs ulla". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,706,093 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