proliferative

adj

"proliferative" is a 13-letter English headword indexed on PlainSpell.

The verdict

“proliferative” is uncommon English (frequency #66,218 among 4,417 “P” headwords), classed as an adjective. The kind of spelling people second-guess.

#66,218
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or pertaining to proliferation, especially of cells.

Corpus desk

Index EN-proliferative · proliferative · English

proliferative · rank #66,218 · 0 variants · 0 confusables

  • FREQ-RARE #66,218
  • LEN-MEGA 13 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH Prokofiev

Nearest frequency peer: Prokofiev (-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.

Long-tail ranks near “proliferative”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “proliferative” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for proliferative
PropertyValue
Headwordproliferative
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#66,218
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “proliferative” in English

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

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Prokofiev” (#66,217), “prostaglandin” (#66,219), “Prout” (#66,222). Among 4,417 “P” headwords, “proliferative” is #66,218. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

proliferative is uncommon English at frequency #66,218 among 4,417 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for proliferative, since its letter sequence doesn't invite the usual edit-distance slips. 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 proliferate + -ive. The correct English form is proliferative, spelled P-R-O-L-I-F-E-R-A-T-I-V-E.

Definition

  1. 1
    Of or pertaining to proliferation, especially of cells.
  2. 2
    Proliferating; tending to proliferate.

Recorded use

Wiktionary examples

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

  1. ...stem cells may thus lose some of their proliferative potential and thus 'age'...
  2. cultures of cells may be considered to have reached the end of their proliferative lifespan when the cell number fails to double.

Etymology

From proliferate + -ive.

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 "proliferative"?
"proliferative" is spelled P-R-O-L-I-F-E-R-A-T-I-V-E.
What does "proliferative" mean?
As an adjective, "proliferative" means: Of or pertaining to proliferation, especially of cells.
What is the origin of the word "proliferative"?
From proliferate + -ive. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "proliferative", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list