trisyllable/ʹtriesiləbl/ noun

• synchronize
• synchronized swimming
• synchronous
• synchronous motor
• synchrony
• synchrotron
• syncline
• syncopate
• syncopation
• syncope
• syncretise
• syncretism
• syncretize
• syncytium
• syndactyly
• syndesmosis
• syndetic
• syndic
• syndicalism
• syndicate
• syndrome
• syne
• synecdoche
• synecology
• syneresis