onevsOpiWhat's the difference?

Quick tell: one is a num, Opi is a noun, so they fill different roles in a sentence.

Which to use

“one” is a num and “Opi” is a noun - they look or sound alike but fill different roles in a sentence.

#1,899
“one” frequency rank
#44,834
“Opi” frequency rank
46733
confusion score

Side-by-Side Comparison

Feature one Opi
Definition eins; einer; ein einziger Kosewort für Opa

Where the spellings diverge

Shared letters are muted; the letters that actually set one and Opi apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
one
3 ch
Opi

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: one is [wʌn] while Opi is [ˈoːpi]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46733, derived from the frequency rank of both members and their visual similarity.

one is recorded at frequency rank #1,899, classified as anum, pronounced [wʌn]. Opi is at rank #44,834, tagged as anoun, pronounced [ˈoːpi].

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 46733, this pair ranks #1,308,887 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of one vs Opi

Shared letters: o. Private to "one": en. Private to "Opi": ip.

"one" · 3 letters · shape VCV  ·  "Opi" · 3 letters · shape VCV

Frequency comparison

one#1,899
Opi#44,834

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "one" and "Opi" be used interchangeably?
No - they are not even the same part of speech. "one" is a num and "Opi" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "one" or "Opi"?
"one" is the more common of the two: it sits at frequency rank #1,899 in our German list, against #44,834 for "Opi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering one vs Opi

The fastest way to pick the right one every time.

  • Check the role first: if you need a num, it's “one”; for a noun, it's “Opi”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “one” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list