optimize
/ˈɑptɪmaɪz/
"optimize" is a 8-letter English headword indexed on PlainSpell.
The verdict
“optimize” is a moderately-common English word, ranked #18,909 in English word frequency and used as a verb.
- #18,909
- frequency rank, English
- 8
- letters
- 11
- tracked misspellings
- 3
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To act optimistically or as an optimist.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | optimize |
| Language | English |
| Part of speech | Verb |
| IPA | /ˈɑptɪmaɪz/ |
| Letters | 8 |
| Frequency rank | #18,909 |
| Misspellings tracked | 11 |
| Confusable pairs | 3 |
| Source | Wiktionary (kaikki.org) |
Where “optimize” sits in English frequency
Spelling & Dictionary Insight
The English entry for optimize is 8 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /ˈɑptɪmaɪz/. Corpus data places it at rank #18,909 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 11 likely wrong-spelling variants for optimize, with forms such as "opitmize", "opptimize", and "optiimze". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 3 confusable-pair relationships, "optimism", "optimist", "optimise", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: (1844) Back-formation from optimist. The correct English form is optimize, spelled O-P-T-I-M-I-Z-E.
Definition
- 1To act optimistically or as an optimist.
- 2To make (something) optimal.
- 3To make (something) more efficient, such as a computer program.
- 4To become optimal.
Etymology
(1844) Back-formation from optimist.
This word in other languages
Common misspellings
Also misspelled as: opitmize,opptimize,optiimze,optimiez,optimizze,optimmize,optimzie,optmiize,opttimize,otpimize,potimize
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of optimize - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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
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Using “optimize”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-P-T-I-M-I-Z-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˈɑptɪmaɪz/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “optimism” - see the side-by-side comparison. optimize vs optimism
- 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.