a partial number compared to a total number (proportion,volume)
proportion
to make movement or development difficult (impede,submit)
impede
likely to be affected by something (volume, susceptible)
susceptible
amount of space something contains (mutate,volume)
volume
A feeling of worry or tenseness (stress, susceptible)
stress
to develop different characteristics (impede,mutate)
mutate
to allow something to be done (submit , impede)
submit