RMA
"rma" is a 3-letter English headword indexed on PlainSpell.
The verdict
“RMA” sits in 20 confusable pairs (corpus #46,739) as a noun. The look-alike neighbours are the real trap.
- #46,739
- frequency rank, English
- 3,094
- “R” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of return merchandise authorization /return merchandise authorisation.
Corpus desk
Index EN-rma · RMA · English
RMA · rank #46,739 · 0 variants · 20 confusables
- FREQ-MID #46,739
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH RFP
Nearest frequency peer: RFP (-3 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbours of confusable “RMA”
Peers at similar corpus weight, separate from look-alike pairs below
- repulsion
repulsion
53,268 corpus weight
- resistive
resistive
53,267 corpus weight
- resurgent
resurgent
53,266 corpus weight
- RFP
RFP
53,265 corpus weight
- RMA
RMA
53,262 corpus weight
- ronson
ronson
53,258 corpus weight
What this shows Bars place “RMA” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | RMA |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #46,739 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “RMA”
Easy to mix with look-alikes
The spelling risk for RMA is neighbouring look-alikes ("RS", "RT", …), not just typos; it is anoun. Frequency #46,739 among 3,094 “R” headwords. 2 recorded senses keep meaning in play.
RMA has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "RS", "RT", "RN", and more, where similar look or sound leads writers to substitute one word for another in context.
No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is RMA, spelled R-M-A.
Definition
- 1Initialism of return merchandise authorization /return merchandise authorisation.
- 2Initialism of recruit master-at-arms.
Recorded use
Wiktionary examplesThese source excerpts show how RMA appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Shipments without a valid RMA number will not be accepted.
Several of the recruits had special leadership responsibilities within the Company, the most significant being the Recruit Chief Petty Officer (RCPO) and the Recruit Master at Arms (RMA). […] The person responsible for being RCPO changed during the end of our training, but the RMA, who was responsible for maintaining good order and discipline, did not mak…
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "RMA", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).