different between synth vs synch

English

Shortened from synthesizer.

synth (plural synths)

synth (third-person singular simple present synths, present participle synthing, simple past and past participle synthed)

(slang) To play on a musical synthesizer.
- 1991, Theater Week (volume 4, page 38)
  Les Miserables couldn't tour the road circuit affordably today if Seann Alderking hadn't reduced its pit-people requirements by masterfully synthing large portions of its sound, and with a range of sonic effects that makes Svengali sound like something played on a nursery xylophone.
- 1995, Jazz Times (volume 25, issues 1-5)
  There's some synthing, but mostly real strings and horns. And a remarkable acoustic piano solo, "Jacqueline," in memory of the modern sophisticated lady.

synch (plural synchs)

synch (third-person singular simple present synchs, present participle synching, simple past and past participle synched)

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