synthesis
/ˈsɪnθəsɪs/
"synthesis" is a 9-letter English headword indexed on PlainSpell.
The verdict
“synthesis” is a regularly-used English word, ranked #9,110 in English word frequency and used as a noun.
- #9,110
- frequency rank, English
- 9
- letters
- 15
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The formation of something complex or coherent by combining simpler things.
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 | synthesis |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈsɪnθəsɪs/ |
| Letters | 9 |
| Frequency rank | #9,110 |
| Misspellings tracked | 15 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “synthesis” sits in English frequency
Spelling & Dictionary Insight
The English entry for synthesis is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈsɪnθəsɪs/. Corpus data places it at rank #9,110 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 10 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 15 likely wrong-spelling variants for synthesis, with forms such as "snythesis", "ssynthesis", and "synhtesis". 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 2 confusable-pair relationships, "synthetic", "synthesize", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From Latin synthesis, from Ancient Greek σύνθεσις (súnthesis, “a putting together; composition”), from συντίθημι (suntíthēmi, “put together, combine”), from συν- (sun-, “together”) + τίθημι (títhēmi, “set, place”). Doublet of sandhi. The correct English form is synthesis, spelled S-Y-N-T-H-E-S-I-S.
Definition
- 1The formation of something complex or coherent by combining simpler things.
- 2Creation of a complex waveform by summation of simpler waveforms.
- 3The reaction of elements or compounds to form more complex compounds.
- 4A deduction from the general to the particular, by applying the rules of logic to a premise.
- 5The combination of thesis and antithesis.
- 6In intelligence usage, the examining and combining of processed information with other information and intelligence for final interpretation.
- 7An apt arrangement of elements of a text, especially for euphony.
- 8The uniting of ideas into a sentence.
- 9The reunion of parts that have been divided.
- 10An Ancient Roman dining-garment.
Etymology
From Latin synthesis, from Ancient Greek σύνθεσις (súnthesis, “a putting together; composition”), from συντίθημι (suntíthēmi, “put together, combine”), from συν- (sun-, “together”) + τίθημι (títhēmi, “set, place”). Doublet of sandhi.
Antonyms
This word in other languages
Common misspellings
Also misspelled as: snythesis,ssynthesis,synhtesis,synnthesis,syntehsis,syntheiss,synthesiss,synthessi,synthessis,synthhesis,synthseis,syntthesis,sytnhesis,syynthesis,ysnthesis
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of synthesis - 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.
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 “synthesis”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-Y-N-T-H-E-S-I-S - every other letter order is a misspelling in standard orthography.
- Say it as /ˈsɪnθəsɪs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “synthetic” - see the side-by-side comparison. synthesis vs synthetic
- 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.