MP4
"mp4" is a 2-letter English headword indexed on PlainSpell.
The verdict
“MP4” sits in 20 confusable pairs (corpus #26,176) as a noun. The look-alike neighbours are the real trap.
- #26,176
- frequency rank, English
- 4,057
- “M” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of MPEG-4 Part 14, a file format for playing music and videos.
Corpus desk
Index EN-mp4 · MP4 · English
MP4 · rank #26,176 · 0 variants · 20 confusables
- FREQ-MID #26,176
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 4,057
- PHOTO-FINISH mullen
Nearest frequency peer: mullen (+1 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 “MP4”
Peers at similar corpus weight, separate from look-alike pairs below
- moratorium
moratorium
73,829 corpus weight
- morgue
morgue
73,827 corpus weight
- MP4
MP4
73,825 corpus weight
- mullen
mullen
73,824 corpus weight
- mulligan
mulligan
73,823 corpus weight
- munch
munch
73,821 corpus weight
What this shows Bars place “MP4” 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 | MP4 |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #26,176 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “MP4”
Easy to mix with look-alikes
The spelling risk for MP4 is neighbouring look-alikes ("my", "Mr", …), not just typos; it is anoun. Frequency #26,176 among 4,057 “M” headwords. Gloss: "Abbreviation of MPEG-4 Part 14, a file format for playing music and videos.".
MP4 doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. It also participates in 20 confusable-pair relationships, "my", "Mr", "MS", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This entry carries no recorded etymology, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is MP4, spelled M-P-4.
Definition
- 1Abbreviation of MPEG-4 Part 14, a file format for playing music and videos.
Recorded use
Wiktionary exampleThese source excerpts show how MP4 appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Typically, the art object that gets NFT’d is a digital file — maybe a JPEG image or an MP4 video — that lives on some hard drive, and that looks or sounds precisely the way it would have in the decades before NFTs came along.
This word in other languages
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 "MP4", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).