regainvsreinWhat's the difference?

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

Which to use

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

#10,751
“regain” frequency rank
#17,934
“rein” frequency rank
28685
confusion score

Side-by-Side Comparison

Feature regain rein
Definition To get back; to recover possession of. A strap or rope attached to a bridle or bit, used to control a horse, other animal or young child.

Where the spellings diverge

Shared letters are muted; the letters that actually set regain and rein apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
regain
4 ch
rein

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: regain is /ɹiːˈɡeɪn/ while rein is /ɹeɪn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 28685, derived from the frequency rank of both members and their visual similarity.

regain is recorded at frequency rank #10,751, classified as averb, pronounced /ɹiːˈɡeɪn/. rein is at rank #17,934, tagged as anoun, pronounced /ɹeɪn/.

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 28685, this pair ranks #369,115 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of regain vs rein

Shared letters: einr. Private to "regain": ag. Private to "rein": -.

"regain" · 6 letters · shape CVCVVC  ·  "rein" · 4 letters · shape CVVC

Known mistypes of this pair

  • regainergain · reagin · regainn · regani · reggain · regian · rgeain · rregain
  • reinreinn · reni · rien · rrein

Frequency comparison

regain#10,751
rein#17,934

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "regain" and "rein" be used interchangeably?
No - they are not even the same part of speech. "regain" is a verb and "rein" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "regain" or "rein"?
"regain" is the more common of the two: it sits at frequency rank #10,751 in our English list, against #17,934 for "rein". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering regain vs rein

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “regain”; for a noun, it's “rein”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “regain” 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