millisecond
/ˈmɪlɪˌsɛkənd/
"millisecond" is a 11-letter English headword indexed on PlainSpell.
The verdict
“millisecond” has 15 generated spelling variants in the English index at frequency #47,763. The variants make it a useful spelling check.
- #47,763
- frequency rank, English
- 4,057
- “M” headwords
- 15
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An SI unit of time equal to 10⁻³ seconds. Symbol: ms
Corpus desk
Index EN-millisecond · millisecond · English
millisecond · rank #47,763 · 15 variants · 0 confusables
- FREQ-MID #47,763
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-HIGH 15 variants
- BOOK-MID 4,057
- PHOTO-FINISH Middlebury
Nearest frequency peer: Middlebury (-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 neighbourhood for “millisecond”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- memorization
memorization
52,244 corpus weight
- Merthyr
Merthyr
52,241 corpus weight
- Middlebury
Middlebury
52,239 corpus weight
- millisecond
millisecond
52,238 corpus weight
- moiety
moiety
52,234 corpus weight
- moline
moline
52,233 corpus weight
What this shows Bars show where “millisecond” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | millisecond |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈmɪlɪˌsɛkənd/ |
| Letters | 11 |
| Frequency rank | #47,763 |
| Misspellings tracked | 15 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “millisecond” sits in English frequency
A misspelling magnet
The generator records 15 spelling variants around millisecond (IPA /ˈmɪlɪˌsɛkənd/), anoun. Corpus frequency is #47,763 among 4,057 “M” headwords. Dominant gloss: "An SI unit of time equal to 10⁻³ seconds. Symbol: ms".
Our generated misspelling index lists 15 likely wrong-spelling variants for millisecond, with forms such as "imllisecond", "mililsecond", and "milisecond". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From milli- + second. The correct English form is millisecond, spelled M-I-L-L-I-S-E-C-O-N-D.
Definition
- 1An SI unit of time equal to 10⁻³ seconds. Symbol: ms
Recorded use
Wiktionary examplesThese source excerpts show how millisecond appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Holonyms: centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond
Etymology
From milli- + second.
This word in other languages
Common misspellings
Also misspelled as:
- imllisecond
- mililsecond
- milisecond
- milliescond
- millisceond
- milliseccond
- millisecnod
- millisecodn
- millisecondd
- milliseconnd
- milliseocnd
- millissecond
- millsiecond
- mlilisecond
- mmillisecond
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of millisecond - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 "millisecond"?
What does "millisecond" mean?
What are common misspellings of "millisecond"?
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "millisecond", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (15 here; floor ≥5).
What to do next
You've looked up "millisecond". Here's where to go from here.
- 15 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
- Usage frequency rank #47,763 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "M" letter cohort. M–Z browse
- PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
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.