subsystem

noun

"subsystem" is a 9-letter English headword indexed on PlainSpell.

The verdict

“subsystem” has 15 generated spelling variants in the English index at frequency #34,307. The variants make it a useful spelling check.

#34,307
frequency rank, English
6,566
“S” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative spelling of sub-system.

Corpus desk

Index EN-subsystem · subsystem · English

subsystem · rank #34,307 · 15 variants · 0 confusables

  • FREQ-MID #34,307
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH stubble

Nearest frequency peer: stubble (-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.

Rank peers near misspelling magnet “subsystem”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “subsystem” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for subsystem
PropertyValue
Headwordsubsystem
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#34,307
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “subsystem”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).subsystemlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “stubble” (#34,306), “Stroud” (#34,305), “supple” (#34,310). Among 6,566 “S” headwords, “subsystem” is #34,307. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around subsystem, anoun. Corpus frequency is #34,307 among 6,566 “S” headwords. Dominant gloss: "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

  1. 1
    Alternative spelling of sub-system.

Recorded use

Wiktionary examples

These source excerpts show how subsystem appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Juan made seven attempts to pervert the auton. One involved twelve hundred years of careful observation, timing the failure of various subsystems, maneuvering the auton into a position where he might take control and get transportation to resources in near space.
  2. This subsystem is waiting to become Exclusive after having issued an erase.

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.

sbusystem2ssubsystem1subbsystem1subssystem1subssytem2subsysetm2subsysstem1subsystemm1
Edit distance from "subsystem"

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"?
"subsystem" is spelled S-U-B-S-Y-S-T-E-M.
What does "subsystem" mean?
As a noun, "subsystem" means: Alternative spelling of sub-system.
What are common misspellings of "subsystem"?
Common misspellings include "sbusystem", "ssubsystem", "subbsystem", "subssystem", "subssytem". The correct spelling is "subsystem".
What is the origin of the word "subsystem"?
From sub- + system. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "subsystem", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list