dieselvsdiesemConfusable pair

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

Which to use

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

#4,598
“diesel” frequency rank
#147
“diesem” frequency rank
4745
confusion score

Side-by-Side Comparison

Feature diesel diesem
Definition diesel fuel — Dieselkraftstoff Dativ Singular Maskulinum des Demonstrativpronomens dies

Letter map: diesel vs diesem

Shared letters muted; letters that set diesel and diesem apart highlighted. Shared run: 5.

6 ch
diesel
6 ch
diesem

Part-of-speech tell for diesel / diesem

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: diesel is anoun and diesemanunknown. On the page they differ by a single letter - l in “diesel” becomes m in “diesem”. Our composite confusion score for this pair is 4745, derived from the frequency rank of both members and their visual similarity.

diesel is recorded at frequency rank #4,598, classified as anoun, pronounced […]. diesem is at rank #147, tagged as anunknown, pronounced [ˈdiːzəm].

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 4745, this pair ranks #1,996,797 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of diesel vs diesem

Shared letters: deis. Private to "diesel": l. Private to "diesem": m.

"diesel" · 6 letters · shape CVVCVC  ·  "diesem" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • dieselddiesel · deisel · dieesl · diesell · diesle · diessel · diseel · idesel
  • diesemddiesem · deisem · dieesm · diesemm · diesme · diessem · diseem · idesem

Frequently Asked Questions

Do "diesel" and "diesem" mean the same thing in a sentence?
No - they are not even the same part of speech. "diesel" is a noun and "diesem" an unknown, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "diesel" or "diesem" show up more?
"diesem" is the more common of the two: it sits at frequency rank #147 in our German list, against #4,598 for "diesel". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "diesel" vs "diesem" is on the table, pick a follow-up below.

  • Full dictionary entry for "diesel" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diesem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,996,797 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "diesel" and "diesem" also get mixed up with nearby pairs, the highest-scored neighbour is "diesel vs puzzles". 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 #1,996,797 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