interventional

adj

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

"interventional" is a 14-letter English headword indexed on PlainSpell.

The verdict

“interventional” is uncommon English (frequency #51,183 among 17,902 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#51,183
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Incorporating, or characterized by, intervention

Key facts for interventional
PropertyValue
Headwordinterventional
LanguageEnglish
Part of speechAdjective
Letters14
Frequency rank#51,183
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “interventional” 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). interventional 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

interventional is uncommon English at frequency #51,183 among 17,902 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for interventional, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From intervention + -al. The correct English form is interventional, spelled I-N-T-E-R-V-E-N-T-I-O-N-A-L.

Definition

  1. 1
    Incorporating, or characterized by, intervention
  2. 2
    Specializing in coronary intervention

Etymology

From intervention + -al.

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 "interventional"?
"interventional" is spelled I-N-T-E-R-V-E-N-T-I-O-N-A-L.
What does "interventional" mean?
As an adjective, "interventional" means: Incorporating, or characterized by, intervention
What is the origin of the word "interventional"?
From intervention + -al. 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 “interventional”

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

  • The one correct English spelling is I-N-T-E-R-V-E-N-T-I-O-N-A-L - every other letter order is a misspelling in standard orthography.
  • 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 FrequencyWords open word-frequency list