4th

adj

"4th" is a 2-letter English headword indexed on PlainSpell.

The verdict

“4th” sits in 5 confusable pairs (corpus #2,710) as an adjective. The look-alike neighbours are the real trap.

#2,710
frequency rank, English
3
letters
5
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of fourth.

Corpus desk

Index EN-4th · 4th · English

4th · rank #2,710 · 0 variants · 5 confusables

  • FREQ-COMMON #2,710
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-MID 5 pairs
  • VAR-0 0 variants
  • BOOK-THIN "4" thin
  • PHOTO-FINISH victims

Nearest frequency peer: victims (-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.

Frequency neighbours of confusable “4th”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “4th” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

4th vs 4X
33% similar
4th vs 4x4
33% similar
4th vs 4
33% similar

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

Key facts for 4th
PropertyValue
Headword4th
LanguageEnglish
Part of speechAdjective
Letters3
Frequency rank#2,710
Misspellings tracked0
Confusable pairs5
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “4th”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).4thlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “victims” (#2,709), “agents” (#2,711), “victim” (#2,708). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for 4th is neighbouring look-alikes ("4X", "4x4", …), not just typos; it is anadjective. Frequency #2,710. Gloss: "Abbreviation of fourth.".

No misspelling variants are generated for 4th in our index, a sign its spelling follows regular English conventions. It also participates in 5 confusable-pair relationships, "4X", "4x4", "4", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is 4th, spelled 4-T-H.

Definition

  1. 1
    Abbreviation of fourth.

Recorded use

Wiktionary example

These source excerpts show how 4th appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Nevertheless, the federal government still manages to get things done on a day-to-day basis, and that is primarily due to the so-called 4th branch of government — the administrative and regulatory state that employs 2 million workers, invests trillions of dollars each year on things like air pollution monitoring and cutting-edge clean energy research, and…

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

How do you spell "4th"?
"4th" is spelled 4-T-H.
What does "4th" mean?
As an adjective, "4th" means: Abbreviation of fourth.
What words are commonly confused with "4th"?
"4th" is commonly confused with "4X", "4x4", "4". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "4th" come from?
"4th" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "4th", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list