i think you're thinking of affluent, not effluent, which means liquid waste discharged into the sea. Whereas affluent means wealthy.
Emit is a synonym for send out. It begins with the letter e.
Enlarge is a synonym for growth in size. It begins with the letter e.
Energetic is a synonym for driving. It begins with the letter E.
Entropy is a synonym for chaos. It begins with the letter e.
Endorse is a synonym for allow. It begins with the letter E.
Effort is a synonym for task. It begins with E.
Entertaining is a synonym for funny. It begins with the letter e.
Error is a synonym for not true. It begins with the letter E.
Eternally is a synonym for forever. It begins with the letter e.
The longest word starting with E is Electroencephalographically.
What is an inspirational word starting with the letter E? - encouragement
E E