'sync' used in million biggest domains list by Alexa.com:
sugarsync.comprsync.com
4sync.com
goodsync.com
radarsync.com
synck.com
'sync' used in other domains:
firesync.comdmzsync.com
sync2script.com
syncresis.com
syncpop.com
fire-sync.com
Statistical data
"sync" has the frequency of use of 0.0002% on city-data.com forum
"sync" has the frequency of use of 0.0002% on en.wikipedia.org.
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