-tion

/-ʃən/

//-ʃən// suffix

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

The verdict

“-tion” is uncommon English (outside the top frequency list), classed as a suffix. The kind of spelling people second-guess.

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Used to form nouns meaning "the action of (a verb)" or "the result of (a verb)". Words ending in this suffix are almost always derived from a similar Latin word; a few (e.g. gumption) are not deriv...

Key facts for -tion
PropertyValue
Headword-tion
LanguageEnglish
Part of speechSuffix
IPA/-ʃən/
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “-tion” sits in English frequency

-tion falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

-tion is uncommon English outside the top frequency list, classed as asuffix, transcribed /-ʃən/. Rarity is why readers land here mid-draft. Gloss: "Used to form nouns meaning "the action of (a verb)" or "the result of (a verb)". Words ending in this suffix are almost always derived from a similar Latin word; a few (e.g. gumption) are not deriv...".

No generated misspelling entries exist for -tion in our index, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From rebracketed Middle English -cioun, rebracketed borrowing of Old French -tion, -cion, borrowed from the stem of Latin -tiō. The Middle English -cioun became -tion in Modern English under the influence of the Middle French -tion and original Latin spelli… The correct English form is -tion, spelled --T-I-O-N.

Definition

  1. 1
    Used to form nouns meaning "the action of (a verb)" or "the result of (a verb)". Words ending in this suffix are almost always derived from a similar Latin word; a few (e.g. gumption) are not derived from Latin and are unrelated to any verb. More often, -ation is used.

Etymology

From rebracketed Middle English -cioun, rebracketed borrowing of Old French -tion, -cion, borrowed from the stem of Latin -tiō. The Middle English -cioun became -tion in Modern English under the influence of the Middle French -tion and original Latin spellings. Always -ate or t-final/te-final base + -ion.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "-tion"?
"-tion" is spelled --T-I-O-N. The IPA pronunciation is /-ʃən/.
What does "-tion" mean?
As a suffix, "-tion" means: Used to form nouns meaning "the action of (a verb)" or "the result of (a verb)". Words ending in this suffix are almost always derived from a similar Latin word; a few (e.g. gumption) are not deriv...
How do you pronounce "-tion"?
The IPA (International Phonetic Alphabet) transcription for "-tion" is /-ʃən/. 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 "-tion"?
From rebracketed Middle English -cioun, rebracketed borrowing of Old French -tion, -cion, borrowed from the stem of Latin -tiō. The Middle English -cioun became -tion in Modern English under the influence of the Middle French -tion and original La... 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 “-tion”

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

  • The one correct English spelling is --T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /-ʃən/ (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
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