The best replacement for beta is alpha.

The best alternatives to beta are rated as following:
★★★★★  alpha
★★★★  vhs
★★★  standard deviation
★★  correlation
★  goldfish
★  ktm
★  alpha male
★  alpha receptors
★  betta
★  alpha testing
★  volatility
★  beta
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Your alternative for beta is not listed? Suggest!
Speaking about beta, one probably shouldn't forget about voice.

Other search terms related to beta and their ratings are:
★★★★★ voice
★★★ crackdown
★★★ other fish
★★★ download
★★ messenger
★ stocks
bulletstorm
You have in mind a companion for beta and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of beta in all years. Click on graph for more.
beta
alpha
vhs