RainervsreinerWhich spelling fits?

Quick tell: Rainer is a name, reiner is an adjective, so they fill different roles in a sentence.

Which to use

“Rainer” is a name and “reiner” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,475
“Rainer” frequency rank
#4,828
“reiner” frequency rank
8303
confusion score

Side-by-Side Comparison

Feature Rainer reiner
Definition männlicher Vorname Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs rein

Same sound, different letters: Rainer vs reiner

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 5 letters. Rainer and reiner follow the identical consonant-vowel pattern (CVVCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
Rainer
6 ch
reiner

Same sound, different spelling - Rainer / reiner

Say them out loud and nothing separates them: Rainer and reiner carry the same recorded pronunciation, [ˈʁaɪ̯nɐ]. Grammar is what tells them apart: one is aname, the other anadjective, so most sentences will only accept one of them. They differ by a single letter - a in “Rainer” becomes e in “reiner”. Our composite confusion score for this pair is 8303, derived from the frequency rank of both members and their visual similarity.

Rainer is recorded at frequency rank #3,475, classified as aname, pronounced [ˈʁaɪ̯nɐ]. reiner is at rank #4,828, tagged as anadj, pronounced [ˈʁaɪ̯nɐ].

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 8303, this pair ranks #1,984,825 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Rainer vs reiner

Shared letters: einr. Private to "Rainer": a. Private to "reiner": -.

"Rainer" · 6 letters · shape CVVCVC  ·  "reiner" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • Rainerariner · raienr · rainerr · rainner · rainre · ranier · rianer · rrainer
  • reinereriner · reienr · reinerr · reinner · reinre · renier · riener · rreiner

Frequently Asked Questions

Is swapping "Rainer" for "reiner" ever safe?
No - they are not even the same part of speech. "Rainer" is a name and "reiner" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Rainer" or "reiner"?
"Rainer" is the more common of the two: it sits at frequency rank #3,475 in our German list, against #4,828 for "reiner". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

"Rainer" and "reiner" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "Rainer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "reiner" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,984,825 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Rainer" and "reiner" also get mixed up with nearby pairs, the highest-scored neighbour is "Rainer vs raunen". 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 #1,984,825 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