subsystem
"subsystem" is a 9-letter English headword indexed on PlainSpell.
The verdict
“subsystem” is a moderately-common English word, ranked #34,307 in English word frequency and used as a noun.
- #34,307
- frequency rank, English
- 9
- letters
- 15
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Alternative spelling of sub-system.
| Property | Value |
|---|---|
| Headword | subsystem |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #34,307 |
| Misspellings tracked | 15 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “subsystem” sits in English frequency
Spelling & Dictionary Insight
The English entry for subsystem is 9 letters long, classified as a noun. Corpus data places it at rank #34,307 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Alternative spelling of sub-system.".
Our generated misspelling index lists 15 likely wrong-spelling variants for subsystem, with forms such as "sbusystem", "ssubsystem", and "subbsystem". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From sub- + system. The correct English form is subsystem, spelled S-U-B-S-Y-S-T-E-M.
Definition
- 1Alternative spelling of sub-system.
Etymology
From sub- + system.
Common misspellings
Also misspelled as: sbusystem,ssubsystem,subbsystem,subssystem,subssytem,subsysetm,subsysstem,subsystemm,subsystme,subsysttem,subsytsem,subsyystem,subysstem,susbystem,usbsystem
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of subsystem - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "subsystem"?
What does "subsystem" mean?
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Using “subsystem”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-U-B-S-Y-S-T-E-M - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.