sixtieth

/ˈsɪksti.əθ/

//ˈsɪksti.əθ// adj

"sixtieth" is a 8-letter English headword indexed on PlainSpell.

The verdict

“sixtieth” is uncommon English (frequency #79,981 among 54,294 “S” headwords), classed as an adjective. The kind of spelling people second-guess.

#79,981
frequency rank, English
54,294
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The ordinal form of the number sixty.

Key facts for sixtieth
PropertyValue
Headwordsixtieth
LanguageEnglish
Part of speechAdjective
IPA/ˈsɪksti.əθ/
Letters8
Frequency rank#79,981
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sixtieth” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

sixtieth is uncommon English at frequency #79,981 among 54,294 “S” headwords, classed as anadjective, transcribed /ˈsɪksti.əθ/. Rarity is why readers land here mid-draft. Gloss: "The ordinal form of the number sixty.".

Our edit-distance generator produced no likely misspellings for sixtieth, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From earlier sixteth, from Middle English sixtithe; equivalent to sixty + -eth. For the modern form, see the etymological notes at twentieth. The correct English form is sixtieth, spelled S-I-X-T-I-E-T-H.

Definition

  1. 1
    The ordinal form of the number sixty.

Etymology

From earlier sixteth, from Middle English sixtithe; equivalent to sixty + -eth. For the modern form, see the etymological notes at twentieth.

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 "sixtieth"?
"sixtieth" is spelled S-I-X-T-I-E-T-H. The IPA pronunciation is /ˈsɪksti.əθ/.
What does "sixtieth" mean?
As an adjective, "sixtieth" means: The ordinal form of the number sixty.
How do you pronounce "sixtieth"?
The IPA (International Phonetic Alphabet) transcription for "sixtieth" is /ˈsɪksti.əθ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "sixtieth"?
From earlier sixteth, from Middle English sixtithe; equivalent to sixty + -eth. For the modern form, see the etymological notes at twentieth. 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.

Using “sixtieth”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-I-X-T-I-E-T-H - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈsɪksti.əθ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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.

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

Source: FrequencyWords open word-frequency list