In lang=en terms the difference between boil and infuse
is that
boil is of a liquid, to begin to turn into a gas, seethe while
infuse is to make an infusion with (an ingredient); to tincture; to saturate.
In obsolete|lang=en terms the difference between boil and infuse
is that
boil is (obsolete) to steep or soak in warm water while
infuse is (obsolete) to pour in, as a liquid; to pour (into or upon); to shed.
As verbs the difference between boil and infuse
is that
boil is to heat (a liquid) to the point where it begins to turn into a gas while
infuse is to cause to become an element of something; to insert or fill.
As a noun boil
is a localized accumulation of pus in the skin, resulting from infection or
boil can be the point at which fluid begins to change to a vapour.