causavsiiWhat's the difference?

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

Which to use

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

#16,115
“causa” frequency rank
#520
“ii” frequency rank
16635
confusion score

Side-by-Side Comparison

Feature causa ii
Definition Grund, Ursache; auch Fachwort für Klassifikation Nominativ Plural Maskulinum des Pronomens is

Letter map: causa vs ii

Shared letters muted; letters that set causa and ii apart highlighted. No shared letter run.

5 ch
causa
2 ch
ii

Role in the sentence - causa and ii

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: causa is anoun and iianunknown. On the page they differ by 3 letter(s) in length. Our composite confusion score for this pair is 16635, derived from the frequency rank of both members and their visual similarity.

causa is recorded at frequency rank #16,115, classified as anoun, pronounced […]. ii is at rank #520, 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 16635, this pair ranks #1,934,212 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of causa vs ii

Shared letters: none. Private to "causa": acsu. Private to "ii": i.

"causa" · 5 letters · shape CVVCV  ·  "ii" · 2 letters · shape VV

Known mistypes of this pair

  • causaacusa · casua · cauas · caussa · ccausa · cuasa

Frequently Asked Questions

Can "causa" and "ii" be used interchangeably?
No - they are not even the same part of speech. "causa" is a noun and "ii" an unknown, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "causa" or "ii" show up more?
"ii" is the more common of the two: it sits at frequency rank #520 in our German list, against #16,115 for "causa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "causa" and "ii". Here's where to go from here.

  • Full dictionary entry for "causa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ii" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,934,212 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "causa" and "ii" also get mixed up with nearby pairs, the highest-scored neighbour is "causa 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 #1,934,212 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