kookish

adj

"kookish" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Like a kook; eccentric.

Corpus desk

Index EN-kookish · kookish · English

kookish · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" thin
  • PHOTO-UNK Peer pending

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.

Key facts for kookish
PropertyValue
Headwordkookish
LanguageEnglish
Part of speechAdjective
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “kookish” in English

kookishsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

kookish is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Like a kook; eccentric.".

We couldn't generate a plausible misspelling set for kookish, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From kook + -ish. The correct English form is kookish, spelled K-O-O-K-I-S-H.

Definition

  1. 1
    Like a kook; eccentric.

Etymology

From kook + -ish.

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 "kookish"?
"kookish" is spelled K-O-O-K-I-S-H.
What does "kookish" mean?
As an adjective, "kookish" means: Like a kook; eccentric.
What is the origin of the word "kookish"?
From kook + -ish. 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.

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

Source: FrequencyWords open word-frequency list