syn-

• syl- (used before l)
• sym- (used before b, m, and p)

From Ancient Greek συν- (sun-), from σύν (sún, “with, in company with, together with”). Compare Sanskrit सम्- (sam-).

syn-

1. identical

   ‎syn- + ‎-onym → ‎synonym

2. with, together

   ‎syn- + ‎chron- → ‎synchronize

3. concomitant

   ‎syn- + ‎esthesia → ‎synaesthesia

Syn- becomes

syl- before l: syllepsis;

sym- before b, m, and p: symbol, symmetry, sympathy, symphony;

syr- before r (theoretical);

sys- before s (theoretical);

sy- before s+consonant or z: system, syzygy;

• (identical): homo-, iso-, ipsi-, sym-
• (together): co-, con-/com-/col-/cor-, sym-/syl-, inter-

• syndynamics
• synsystematics
• syntaxonomy

• Definition of syn- - Merriam-Webster Online Dictionary

• NYS, sny

• Audio:

  (file)

syn-

1. syn-

Internationalism (see English syn-), ultimately from Ancient Greek συν- (sun-).

• IPA^(key): /ˈsyn-/, [ˈs̠yn-]

syn-

1. (in loanwords) syn-

From Ancient Greek σύν (sún, “with, together”).

• IPA^(key): /sɛ̃/

syn-

1. syn-

• “syn-”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Derived from Ancient Greek συν- (sun-).

• IPA^(key): /sɘn/
• Rhymes: -ɘn
• Syllabification: [please specify syllabification manually]

syn-

1. syn-

   ‎syn- + ‎-onim → ‎synonim

• syn- in Polish dictionaries at PWN