Which to use
“reg” is a verb and “RKI” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #8,613
- “reg” frequency rank
- #43,448
- “RKI” frequency rank
- 52061
- confusion score
Side-by-Side Comparison
| Feature | reg | RKI |
|---|---|---|
| Definition | 2. Person Singular Imperativ Präsens Aktiv des Verbs regen | Robert Koch-Institut |
Where the eye mixes reg and RKI
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between reg and RKI
These two trip readers on the page rather than in the ear: reg is [ʁeːk] while RKI is [ɛʁkaːˈʔiː]. 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 (verb vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 52061, 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]. RKI is at rank #43,448, tagged as anabbrev, pronounced [ɛʁkaːˈʔiː].
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 52061, this pair ranks #1,111,450 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of reg vs RKI
Shared letters: r. Private to "reg": eg. Private to "RKI": ik.
"reg" · 3 letters · shape CVC · "RKI" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "reg" for "RKI" ever safe?
Which is more common, "reg" or "RKI"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "reg" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "RKI" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,111,450 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "reg" and "RKI" also get mixed up with nearby pairs, the highest-scored neighbour is "RKI vs RUB". Nearby pair
Confusion rank #1,111,450 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.