bases / basis / basses [ˈbeisəs]
bases – n. pl. of base, basis – 3rd person singular of base – foundations
basis – n. – 1. the foundation or support of something, esp. an idea or argument; 2. the main or determining principle ingredient; 3. the starting point for a discussion; 4. a fundamental ingredient or essence
basses – n. pl. of bass – of persons or instruments capable of producing these deep sounds