Roi

/ˈɹɔɪ/

//ˈɹɔɪ// name

"roi" is a 3-letter English headword indexed on PlainSpell.

The verdict

“Roi” is a moderately-common English word, ranked #17,465 in English word frequency and used as a proper noun.

#17,465
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Roi islet, Kwajalein atoll, Marshall Islands.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

Roi vs RS
33% similar
Roi vs RT
33% similar
Roi vs RP
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for Roi
PropertyValue
HeadwordRoi
LanguageEnglish
Part of speechProper noun
IPA/ˈɹɔɪ/
Letters3
Frequency rank#17,465
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “Roi” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). Roi lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for Roi is 3 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as /ˈɹɔɪ/. Corpus data places it at rank #17,465 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Roi islet, Kwajalein atoll, Marshall Islands.".

No misspelling variants are generated for Roi in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "RS", "RT", "RP", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Marshallese Ruot. The correct English form is Roi, spelled R-O-I.

Definition

  1. 1
    Roi islet, Kwajalein atoll, Marshall Islands.

Etymology

From Marshallese Ruot.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Roi"?
"Roi" is spelled R-O-I. The IPA pronunciation is /ˈɹɔɪ/.
What does "Roi" mean?
As a proper noun, "Roi" means: Roi islet, Kwajalein atoll, Marshall Islands.
What words are commonly confused with "Roi"?
"Roi" is commonly confused with "RS", "RT", "RP". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "Roi"?
The IPA (International Phonetic Alphabet) transcription for "Roi" is /ˈɹɔɪ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Roi"?
From Marshallese Ruot. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “Roi”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-O-I - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈɹɔɪ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “RS” - see the side-by-side comparison. Roi vs RS
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

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