moravssumTell them apart

Quick tell: mora is a unknown, sum is a verb, so they fill different roles in a sentence.

Which to use

“mora” is an unknown and “sum” is a verb - they look or sound alike but fill different roles in a sentence.

#49,903
“mora” frequency rank
#31,289
“sum” frequency rank
81192
confusion score

Side-by-Side Comparison

Feature mora sum
Definition 1. Person Singular Aorist Indikativ Nichtadmirativ Aktiv zur Verbform marr „nehmen“ 1. Person Singular Indikativ Präsens Aktiv des Verbs esse

Letter map: mora vs sum

Shared letters muted; letters that set mora and sum apart highlighted. Shared run: 1.

4 ch
mora
3 ch
sum

Role in the sentence - mora and sum

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mora is anunknown and sumaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 81192, derived from the frequency rank of both members and their visual similarity.

mora is recorded at frequency rank #49,903, classified as anunknown, pronounced […]. sum is at rank #31,289, tagged as averb, 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 81192, this pair ranks #180,513 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of mora vs sum

Shared letters: m. Private to "mora": aor. Private to "sum": su.

"mora" · 4 letters · shape CVCV  ·  "sum" · 3 letters · shape CVC

Known mistypes of this pair

  • morammora · moar · morra · mroa · omra

Frequently Asked Questions

Can "mora" and "sum" be used interchangeably?
No - they are not even the same part of speech. "mora" is an unknown and "sum" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "mora" or "sum" show up more?
"sum" is the more common of the two: it sits at frequency rank #31,289 in our German list, against #49,903 for "mora". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "mora" vs "sum" is on the table, pick a follow-up below.

  • Full dictionary entry for "mora" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #180,513 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "mora" and "sum" also get mixed up with nearby pairs, the highest-scored neighbour is "mora 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 #180,513 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