tachometer
/təˈkɒmətə(ɹ)/
"tachometer" is a 10-letter English headword indexed on PlainSpell.
The verdict
“tachometer” is uncommon English (frequency #74,557 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.
- #74,557
- frequency rank, English
- 3,151
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.
Corpus desk
Index EN-tachometer · tachometer · English
tachometer · rank #74,557 · 0 variants · 0 confusables
- FREQ-RARE #74,557
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,151
- PHOTO-FINISH symbology
Nearest frequency peer: symbology (-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.
Long-tail ranks near “tachometer”
Sparse band: bars invert rank so rarer forms read shorter
- swash
swash
25,447 corpus weight
- swee
swee
25,446 corpus weight
- symbology
symbology
25,445 corpus weight
- tachometer
tachometer
25,444 corpus weight
- tachyon
tachyon
25,443 corpus weight
- tamas
tamas
25,441 corpus weight
What this shows Long-tail view: where “tachometer” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | tachometer |
| Language | English |
| Part of speech | Noun |
| IPA | /təˈkɒmətə(ɹ)/ |
| Letters | 10 |
| Frequency rank | #74,557 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “tachometer” in English
Rare enough to double-check
tachometer is uncommon English at frequency #74,557 among 3,151 “T” headwords, classed as anoun, transcribed /təˈkɒmətə(ɹ)/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for tachometer, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From tacho- + -meter. The correct English form is tachometer, spelled T-A-C-H-O-M-E-T-E-R.
Definition
- 1A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile.
- 2A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc.
Etymology
From tacho- + -meter.
Synonyms
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 "tachometer", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).