microtubule
"microtubule" is a 11-letter English headword indexed on PlainSpell.
The verdict
“microtubule” is uncommon English (frequency #65,309 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.
- #65,309
- frequency rank, English
- 4,057
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A small tube made of protein and found in cells; part of the cytoskeleton.
Corpus desk
Index EN-microtubule · microtubule · English
microtubule · rank #65,309 · 0 variants · 0 confusables
- FREQ-RARE #65,309
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,057
- PHOTO-FINISH microorganism
Nearest frequency peer: microorganism (-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.
Long-tail ranks near “microtubule”
Sparse band: bars invert rank so rarer forms read shorter
- megalomaniac
megalomaniac
34,699 corpus weight
- micrometer
micrometer
34,695 corpus weight
- microorgani…
microorganism
34,694 corpus weight
- microtubule
microtubule
34,692 corpus weight
- Mingus
Mingus
34,689 corpus weight
- minigame
minigame
34,688 corpus weight
What this shows Long-tail view: where “microtubule” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | microtubule |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #65,309 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “microtubule” in English
Rare enough to double-check
microtubule is uncommon English at frequency #65,309 among 4,057 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A small tube made of protein and found in cells; part of the cytoskeleton.".
No misspelling variants are generated for microtubule in our index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From micro- + tubule. The correct English form is microtubule, spelled M-I-C-R-O-T-U-B-U-L-E.
Definition
- 1A small tube made of protein and found in cells; part of the cytoskeleton.
Etymology
From micro- + tubule.
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 "microtubule", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).