Answer: effort

AnswerCrossword Clue
EFFORTStrenuous try
effortexertion (the act of exerting (to make an effort))
effortexertion of energy
effortsomething achieved by exertion
EFFORTExercitation
EFFORTYou may get an "A" for it
EFFORTStriving
EFFORTAuthor's work
EFFORTWhat to get an "E" for
EFFORTWhat an E may stand for
EFFORTPains
EFFORTPush
EFFORTIndustry
EFFORTApplication
EFFORTTrouble
EFFORTTry
EFFORTEarnest attempt
EFFORTExertion.
EFFORTAchievement.
EFFORTStrenuous attempt.
EFFORTEndeavor.
EFFORTEndeavor
EFFORTAttempt
EFFORTDiligence
EFFORTSincere attempt
EFFORTStruggle
EFFORTExertion
EFFORTPhysical exertion
EFFORTGood try
EFFORTElbow grease
EFFORTWhat E may be for