fertilize

/ˈfɜː(ɹ)tɪlaɪz/

//ˈfɜː(ɹ)tɪlaɪz// verb

"fertilize" is a 9-letter English headword indexed on PlainSpell.

The verdict

“fertilize” has 13 generated spelling variants in the English index at frequency #46,461. The variants make it a useful spelling check.

#46,461
frequency rank, English
2,507
“F” headwords
13
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To make (the soil) more fertile by adding nutrients to it.

Corpus desk

Index EN-fertilize · fertilize · English

fertilize · rank #46,461 · 13 variants · 3 confusables

  • FREQ-MID #46,461
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 3 pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH feely

Nearest frequency peer: feely (-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.

Rank peers near misspelling magnet “fertilize”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “fertilize” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

fertilize vs fertilizer
90% similar
fertilize vs fertile
78% similar
fertilize vs fertility
78% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for fertilize
PropertyValue
Headwordfertilize
LanguageEnglish
Part of speechVerb
IPA/ˈfɜː(ɹ)tɪlaɪz/
Letters9
Frequency rank#46,461
Misspellings tracked13
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “fertilize”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).fertilizelands here:

#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. Same rarity band neighbours include “feely” (#46,460), “Featherstone” (#46,459), “fatherless” (#46,458). Among 2,507 “F” headwords, “fertilize” is #46,461. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around fertilize (IPA /ˈfɜː(ɹ)tɪlaɪz/), averb. Corpus frequency is #46,461 among 2,507 “F” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 13 likely wrong-spelling variants for fertilize, with forms such as "efrtilize", "feritlize", and "ferrtilize". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "fertilizer", "fertile", "fertility", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From French fertiliser; equivalent to fertile + -ize. The correct English form is fertilize, spelled F-E-R-T-I-L-I-Z-E.

Definition

  1. 1
    To make (the soil) more fertile by adding nutrients to it.
  2. 2
    To make more creative or intellectually productive.
  3. 3
    To cause to produce offspring through insemination; to inseminate.

Recorded use

Wiktionary examples

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

  1. to fertilize one's imagination
  2. He [countertenor Anthony Roth Constanzo] also enjoys being the catalyst whereby opera fertilises other art forms: recently, he's collaborated with Japanese kabuki actors, and a project with dancers from New York City Ballet is in the offing.

Etymology

From French fertiliser; equivalent to fertile + -ize.

This word in other languages

Common misspellings

Also misspelled as:

  • efrtilize
  • feritlize
  • ferrtilize
  • fertiilze
  • fertiliez
  • fertilizze
  • fertillize
  • fertilzie
  • fertliize
  • ferttilize
  • fetrilize
  • ffertilize
  • fretilize

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of fertilize - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

efrtilize2feritlize2ferrtilize1fertiilze2fertiliez2fertilizze1fertillize1fertilzie2
Edit distance from "fertilize"

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 "fertilize"?
"fertilize" is spelled F-E-R-T-I-L-I-Z-E. The IPA pronunciation is /ˈfɜː(ɹ)tɪlaɪz/.
What does "fertilize" mean?
As a verb, "fertilize" means: To make (the soil) more fertile by adding nutrients to it.
What words are commonly confused with "fertilize"?
"fertilize" is commonly confused with "fertilizer", "fertile", "fertility". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "fertilize"?
The IPA (International Phonetic Alphabet) transcription for "fertilize" is /ˈfɜː(ɹ)tɪlaɪz/. 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 "fertilize"?
From French fertiliser; equivalent to fertile + -ize. 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 "fertilize", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list