sym-

prefix

"sym" is a 3-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
4
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - variant of syn-, used before the letters b, m and p.

Corpus desk

Index EN-sym · sym- · English

sym- · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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 sym-
PropertyValue
Headwordsym-
LanguageEnglish
Part of speechPrefix
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “sym-” in English

sym-ranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

sym- is uncommon English outside the top frequency list, classed as aprefix. Rarity is why readers land here mid-draft. Gloss: "variant of syn-, used before the letters b, m and p.".

We couldn't generate a plausible misspelling set for sym-, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Ancient Greek συμ- (sum-), variant of συν- (sun-), from σύν (sún, “with, in company with, together with”). The correct English form is sym-, spelled S-Y-M--.

Definition

  1. 1
    variant of syn-, used before the letters b, m and p.

Etymology

From Ancient Greek συμ- (sum-), variant of συν- (sun-), from σύν (sún, “with, in company with, together with”).

Synonyms

This word in other languages

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 "sym-"?
"sym-" is spelled S-Y-M--.
What does "sym-" mean?
As a prefix, "sym-" means: variant of syn-, used before the letters b, m and p.
What is the origin of the word "sym-"?
From Ancient Greek συμ- (sum-), variant of συν- (sun-), from σύν (sún, “with, in company with, together with”). 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