As nouns the difference between assoilment and assailment
is that assoilment is act of soiling; defilement or assoilment can be act of assoiling, or state of being assoiled; absolution; acquittal while assailment is (rare) an assault; an attack.
assoilment
English
Etymology 1
Noun
(
en noun)
Act of soiling; defilement.
Etymology 2
Noun
(
en noun)
Act of assoiling, or state of being assoiled; absolution; acquittal.
(
Webster 1913)