microcode
"microcode" is a 9-letter English headword indexed on PlainSpell.
The verdict
“microcode” is uncommon English (frequency #96,229 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.
- #96,229
- frequency rank, English
- 36,575
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The collective microprograms in a CPU, used to run machine instructions.
Corpus desk
Index EN-microcode · microcode · English
microcode · rank #96,229 · 0 variants · 0 confusables
- FREQ-RARE #96,229
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 36,575
- PHOTO-FINISH minim
Nearest frequency peer: minim (+2 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 “microcode”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- metacogniti…
metacognition
3,778 corpus weight
- methyltrans…
methyltransferase
3,776 corpus weight
- microcode
microcode
3,772 corpus weight
- minim
minim
3,770 corpus weight
- Minkoff
Minkoff
3,769 corpus weight
- minoxidil
minoxidil
3,768 corpus weight
What this shows Bars show where “microcode” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | microcode |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #96,229 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “microcode” sits in English frequency
Rare enough to double-check
microcode is uncommon English at frequency #96,229 among 36,575 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The collective microprograms in a CPU, used to run machine instructions.".
microcode has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From micro- + code. The correct English form is microcode, spelled M-I-C-R-O-C-O-D-E.
Definition
- 1The collective microprograms in a CPU, used to run machine instructions.
Etymology
From micro- + code.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "microcode", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).
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.