thirties

Name: thirties, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

The verdict

“thirties” has 12 generated spelling variants in the English index at frequency #21,384. The variants make it a useful spelling check.

#21,384
frequency rank, English: 3,151
“T” headwords: 12
tracked misspellings: 1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The fourth decade of a century: the 1830s, 1930s, 2030s, etc.

Corpus desk

Index EN-thirties · thirties · English

thirties · rank #21,384 · 12 variants · 1 confusable

FREQ-MID #21,384
LEN-LONG 8 letters
VOW-3 3 vowels
CONFUS-LOW 1 pairs
VAR-MID 12 variants
BOOK-MID 3,151
PHOTO-FINISH tester

Nearest frequency peer: tester (-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.

tenderness

78,620
terrier

78,619
tester

78,618
thirties

78,617
thistle

78,616
thumbnail

78,615

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

Visual similarity to commonly confused words

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

thirties vs thirteen

75% similar

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

Key facts for thirties
Property	Value
Headword	thirties
Language	English
Part of speech	Noun
Letters	8
Frequency rank	#21,384
Misspellings tracked	12
Confusable pairs	1
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “thirties”

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

#21,384

#1#100#1K#10K#100K

← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “tester” (#21,383), “thistle” (#21,385), “terrier” (#21,382). Among 3,151 “T” headwords, “thirties” is #21,384. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around thirties, anoun. Corpus frequency is #21,384 among 3,151 “T” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for thirties, with forms such as "htirties", "thhirties", and "thirites". 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, "thirteen", where similar look or sound leads writers to substitute one word for another in context.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is thirties, spelled T-H-I-R-T-I-E-S.

Definition

1
The fourth decade of a century: the 1830s, 1930s, 2030s, etc.
2
The decade of one's life from age 30 through age 39.
3
The range between 30 and 39.

Recorded use

Wiktionary examples

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

It says here on your resume that your last job was as a streetcorner apple vendor and that you haven't worked since the thirties.
The Road to Glory, while not the best, was likewise not the least of the thirties films which may justly be called "anti-war" in both intent and execution.

Synonyms

1930s '30s 30s

This word in other languages

treintañero(Español)trentaine(Français)Dreißiger(Deutsch)

Common misspellings

Also misspelled as:

htirties
thhirties
thirites
thirrties
thirteis
thirtiess
thirtise
thirtties
thitries
thrities
tihrties
tthirties

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of thirties - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

Edit distance from "thirties"

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 "thirties"?

"thirties" is spelled T-H-I-R-T-I-E-S.

What does "thirties" mean?

As a noun, "thirties" means: The fourth decade of a century: the 1830s, 1930s, 2030s, etc.

What words are commonly confused with "thirties"?

"thirties" is commonly confused with "thirteen". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.

What language does "thirties" come from?

"thirties" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.

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 "thirties", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

tapestry#21,379 tumbling#21,394 stallion#21,369 unmarked#21,401

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

softened12 variants sidekick12 variants secluded12 variants yearning12 variants