avail
/əˈveɪl/
transitive verb
Help or benefit.
no amount of struggle availed Charles
help,aid,assist,benefit,be of use to,be useful to,profit,be of advantage to,be of service to
noun
Use or benefit.
he begged her to reconsider, but to no avail
in vain,without success,unsuccessfully,vainly,with no result,fruitlessly,to no purpose