The best replacement for probability is odds.

The best alternatives to probability are rated as following:
★★★★★  odds
★★★★  possibility
★★★★  statistics
★★★  non probability sampling
★★  non probability
★★  and
★★  frequency
★★  nonprobability sampling
★  likelihood
★  chance
★  experimental probability
★  proportion
★  theoretical probability
★  percentage
★  vs and
★  risk
★  relative frequency
★  problems
★  confidence
  means
  necessity
  certainty
  means add
  independent
  confidence interval
  conditional probability
  probability density
  severity
  random sampling
  non-probability sampling
  non-probability
  nonprobability sample
  ratio
  odds ratio
  luck

Your alternative for probability is not listed? Suggest!
Speaking about probability, one probably shouldn't forget about replacement.

Other search terms related to probability and their ratings are:
★★★★★ replacement
★ spinners
★ marbles
★ combinations
★ mean and standard deviation
★ replacement marbles
standard deviation
me and standard deviation
normal distribution
venn diagrams
and without replacement
replacement sampling
permutations
tree diagrams
replacement tree diagram
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Google Trends

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probability
odds
possibility