regvsregioTell them apart

Quick tell: reg is a verb, regio is a noun, so they fill different roles in a sentence.

Which to use

“reg” is a verb and “regio” is a noun - they look or sound alike but fill different roles in a sentence.

#8,613
“reg” frequency rank
#17,107
“regio” frequency rank
25720
confusion score

Side-by-Side Comparison

Feature reg regio
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs regen Richtung

Letter map: reg vs regio

Shared letters muted; letters that set reg and regio apart highlighted. Shared run: 3.

3 ch
reg
5 ch
regio

Part-of-speech tell for reg / regio

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: reg is averb and regioanoun. On the page they differ by 2 extra letter(s) - “reg” sits inside “regio”. Our composite confusion score for this pair is 25720, derived from the frequency rank of both members and their visual similarity.

reg is recorded at frequency rank #8,613, classified as averb, pronounced [ʁeːk]. regio is at rank #17,107, tagged as anoun.

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 25720, this pair ranks #1,828,995 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of reg vs regio

Shared letters: egr. Private to "reg": -. Private to "regio": io.

"reg" · 3 letters · shape CVC  ·  "regio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • regioergio · reggio · regoi · reigo · rgeio · rregio

Frequently Asked Questions

Is swapping "reg" for "regio" ever safe?
No - they are not even the same part of speech. "reg" is a verb and "regio" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "reg" vs "regio" - which ranks higher?
"reg" is the more common of the two: it sits at frequency rank #8,613 in our German list, against #17,107 for "regio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "reg" vs "regio" is on the table, pick a follow-up below.

  • Full dictionary entry for "reg" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "regio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,828,995 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "reg" and "regio" also get mixed up with nearby pairs, the highest-scored neighbour is "regio vs regst". 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 #1,828,995 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