Big Huge Thesaurus

sustainer

noun

• upholder
• maintainer
• admirer
• booster
• champion
• friend
• protagonist
• supporter

sounds kind of like

• stainer
• stammer
• stammerer
• stationary
• stationer
• stationery
• steamer
• stemmer
• stoner
• stoneware
• stud mare
• stunner
• sweetener
• system error