microSD
"microsd" is a 7-letter English headword indexed on PlainSpell.
The verdict
“microSD” is uncommon English (frequency #50,666 among 4,057 “M” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #50,666
- frequency rank, English
- 4,057
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The smallest type of SD card.
Corpus desk
Index EN-microsd · microSD · English
microSD · rank #50,666 · 0 variants · 0 confusables
- FREQ-RARE #50,666
- LEN-LONG 7 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,057
- PHOTO-FINISH Milanese
Nearest frequency peer: Milanese (+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 “microSD”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- metalworking
metalworking
49,338 corpus weight
- Miao
Miao
49,337 corpus weight
- microSD
microSD
49,335 corpus weight
- Milanese
Milanese
49,334 corpus weight
- Milburn
Milburn
49,333 corpus weight
- miler
miler
49,332 corpus weight
What this shows Bars show where “microSD” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | microSD |
| Language | English |
| Part of speech | Proper noun |
| Letters | 7 |
| Frequency rank | #50,666 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “microSD” sits in English frequency
Rare enough to double-check
microSD is uncommon English at frequency #50,666 among 4,057 “M” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "The smallest type of SD card.".
microSD doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From micro- + SD. The correct English form is microSD, spelled M-I-C-R-O-S-D.
Definition
- 1The smallest type of SD card.
Recorded use
Wiktionary exampleThese source excerpts show how microSD appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Like the GoPro units it’s meant to replace, the unit has a wide-angle view and can record video onto an onboard micro-SD card in full HD at up to 1080i resolution and 60 frames a second.
Etymology
From micro- + SD.
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 "microSD", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).
What to do next
You've looked up "microSD". Here's where to go from here.
- Usage frequency rank #50,666 among English headwords in this corpus. Corpus statistics
- Browse more English words in the "M" letter cohort. M–Z browse
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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.