underclass

noun

By · According to Wiktionary data (CC BY-SA) ·

"underclass" is a 10-letter English headword indexed on PlainSpell.

The verdict

“underclass” has 14 generated spelling variants in the English index at frequency #46,238. The variants make it a useful spelling check.

#46,238
frequency rank, English
1,433
“U” headwords
14
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The poorest class of people in a given society.

Corpus desk

Index EN-underclass · underclass · English

underclass · rank #46,238 · 14 variants · 1 confusable

  • FREQ-MID #46,238
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unconvinced

Nearest frequency peer: unconvinced (-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 “underclass”

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

corpus weight

What this shows “underclass” 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

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

underclass vs underpass
80% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for underclass
PropertyValue
Headwordunderclass
LanguageEnglish
Part of speechNoun
Letters10
Frequency rank#46,238
Misspellings tracked14
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “underclass”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).underclasslands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “unconvinced” (#46,237), “underhill” (#46,239), “undertone” (#46,240). Among 1,433 “U” headwords, “underclass” is #46,238. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around underclass, anoun. Corpus frequency is #46,238 among 1,433 “U” headwords. Dominant gloss: "The poorest class of people in a given society.".

Our generated misspelling index lists 14 likely wrong-spelling variants for underclass, with forms such as "nuderclass", "udnerclass", and "undderclass". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "underpass", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From under- + class. The correct English form is underclass, spelled U-N-D-E-R-C-L-A-S-S.

Definition

  1. 1
    The poorest class of people in a given society.

Recorded use

Wiktionary examples

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

  1. The two are immediately caught up in a terrorist plot to rid the earth of its underclass, and this gives Nobby the chance to live out a James Bond fantasy of Englishness, with his own lager-swilling twist.
  2. Still, among New York’s creative underclass — cash poor but culturally potent — it feels like everything but socialism is now irrelevant.

Etymology

From under- + class.

Common misspellings

Also misspelled as:

  • nuderclass
  • udnerclass
  • undderclass
  • undecrlass
  • undercalss
  • undercclass
  • underclas
  • undercllass
  • underclsas
  • underlcass
  • underrclass
  • undreclass
  • unedrclass
  • unnderclass

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of underclass - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

nuderclass2udnerclass2undderclass1undecrlass2undercalss2undercclass1underclas1undercllass1
Edit distance from "underclass"

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 "underclass"?
"underclass" is spelled U-N-D-E-R-C-L-A-S-S.
What does "underclass" mean?
As a noun, "underclass" means: The poorest class of people in a given society.
What words are commonly confused with "underclass"?
"underclass" is commonly confused with "underpass". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "underclass"?
From under- + class. 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 "underclass", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

undressing#46,241unreadable#46,244turtleneck#46,229variegated#46,249

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

unwinding14 variantstradesman14 variantstimestamp14 variantsvinaigrette14 variants

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

Source: FrequencyWords open word-frequency list