moravsRobertsonWhich spelling fits?

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

Which to use

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

#49,903
“mora” frequency rank
#35,419
“Robertson” frequency rank
85322
confusion score

Side-by-Side Comparison

Feature mora Robertson
Definition 1. Person Singular Aorist Indikativ Nichtadmirativ Aktiv zur Verbform marr „nehmen“ Ort in der südafrikanischen Provinz Westkap

Letter map: mora vs Robertson

Shared letters muted; letters that set mora and Robertson apart highlighted. Shared run: 2. mora runs 4 letters (CVCV) against Robertson's 9 (CVCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
mora
9 ch
Robertson

Role in the sentence - mora and Robertson

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mora is anunknown and Robertsonaname. On the page they differ by 5 letter(s) in length. Our composite confusion score for this pair is 85322, derived from the frequency rank of both members and their visual similarity.

mora is recorded at frequency rank #49,903, classified as anunknown, pronounced […]. Robertson is at rank #35,419, tagged as aname, 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 85322, this pair ranks #110,010 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of mora vs Robertson

Shared letters: or. Private to "mora": am. Private to "Robertson": benst.

"mora" · 4 letters · shape CVCV  ·  "Robertson" · 9 letters · shape CVCVCCCVC

Known mistypes of this pair

  • morammora · moar · morra · mroa · omra
  • Robertsonorbertson · rboertson · robbertson · roberrtson · roberston · robertosn · robertsno · robertsonn

Frequently Asked Questions

Can "mora" and "Robertson" be used interchangeably?
No - they are not even the same part of speech. "mora" is an unknown and "Robertson" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mora" vs "Robertson" - which ranks higher?
"Robertson" is the more common of the two: it sits at frequency rank #35,419 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.

Useful next steps

Pair "mora" vs "Robertson" 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 "Robertson" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #110,010 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "mora" and "Robertson" 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 #110,010 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